Questions on Word Problems: Mixtures answered by real tutors!

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Tutors Answer Your Questions about Mixture Word Problems (FREE)

Question 170518This question is from textbook

: Since Knowledge of chemistry is useful even in nonscientific fields of study, a majority of the students elected to take chemistry. If 38 percent did not take chemistry and 248 students did take chemistry, how many students were there in all?This question is from textbook

Question 170518This question is from textbook

Question 170499: A chemist wishes to mix some pure acid with a 10% solution to obtain 60 liters of a 20% acid solution. How many liters of each of the original solutions are needed?

I know I need to set up a chart and have two equations but I am really stuck on this one.: A chemist wishes to mix some pure acid with a 10% solution to obtain 60 liters of a 20% acid solution. How many liters of each of the original solutions are needed?

I know I need to set up a chart and have two equations but I am really stuck on this one.
Click here to see answer by Mathtut(511)

Question 170500: I have 3 oz. of an 80% solution of weed killer. How much pure water must i add to get a 20% solution?: I have 3 oz. of an 80% solution of weed killer. How much pure water must i add to get a 20% solution?
Click here to see answer by josmiceli(2035)

Question 170377: Normal sea water is about 3.5% solids. This is about the same as saying "There are nearly 300 pounds of dissolved solid matter per thousand gallons of sea water" Using this information, find the weight of a gallon of sea water.

THANK YOU SO MUCH!
: Normal sea water is about 3.5% solids. This is about the same as saying "There are nearly 300 pounds of dissolved solid matter per thousand gallons of sea water" Using this information, find the weight of a gallon of sea water.

THANK YOU SO MUCH!

Click here to see answer by stanbon(18984)

Question 170150: how many gallons of pure (100%) acid should be added to 5 gallons of a 40% acid solution to obtain a 50% acid solution?: how many gallons of pure (100%) acid should be added to 5 gallons of a 40% acid solution to obtain a 50% acid solution?
Click here to see answer by Earlsdon(3748)

Question 170152: how many punds of an alloy containing 60% silver must be added to 50 pounds of an alloy containing 45% silver to obtain an alloy containing 51% silver?: how many punds of an alloy containing 60% silver must be added to 50 pounds of an alloy containing 45% silver to obtain an alloy containing 51% silver?
Click here to see answer by Mathtut(511)

Question 170153: A GROCER MIXES 6 POUNDS OF COFFEE THAT IS 60% COLUMBIAN WITH ONE THAT 80% COLUMBIAN HOW MANY POUNDS OF THE SECOND TYPE SHOULD BE USED TO OBTAIN A MIXTURE THAT IS 78% COLUMBIAN?: A GROCER MIXES 6 POUNDS OF COFFEE THAT IS 60% COLUMBIAN WITH ONE THAT 80% COLUMBIAN HOW MANY POUNDS OF THE SECOND TYPE SHOULD BE USED TO OBTAIN A MIXTURE THAT IS 78% COLUMBIAN?
Click here to see answer by stanbon(18984)

Question 169880: Tony has two kind of tea, one selling at P280 per kilogram and the other at P305 per kilogram. How many kilograms of each should she get from to make a 25-kilogram blend which will sell at P290 per kilo?
please give me the table for your answers: Tony has two kind of tea, one selling at P280 per kilogram and the other at P305 per kilogram. How many kilograms of each should she get from to make a 25-kilogram blend which will sell at P290 per kilo?
please give me the table for your answers
Click here to see answer by nerdybill(1122)

Question 169881: A fertilizer mixture containing 30% nitrogen is desired for a certain crop. The farmer has a fertilizer with 17% nitrogen content and another fertilizer with 43% nitrogen content. How much of each fertilizer is needed to make 100kg of fertilizer with the desired nitrogen content ?
please give me the table of your solution: A fertilizer mixture containing 30% nitrogen is desired for a certain crop. The farmer has a fertilizer with 17% nitrogen content and another fertilizer with 43% nitrogen content. How much of each fertilizer is needed to make 100kg of fertilizer with the desired nitrogen content ?
please give me the table of your solution
Click here to see answer by checkley77(3624)

Question 169599: Normal sea water is about 3.5% solids. This is about the same as saying "There are nearly 300 pounds of dissolved solid matter per thousand gallons of sea water" Using this information, find the weight of a gallon of sea water.: Normal sea water is about 3.5% solids. This is about the same as saying "There are nearly 300 pounds of dissolved solid matter per thousand gallons of sea water" Using this information, find the weight of a gallon of sea water.
Click here to see answer by gonzo(474)

Question 169441: How many integers are there between 5 and 14?: How many integers are there between 5 and 14?
Click here to see answer by Alan3354(1418)

Question 169246: A confectioner has candy costing 55 cents and 75 cents per kilogram. If he wishes to make 1000 kilograms of a mixture and sell it for 60 cents per kilogram, how much of each does he need?: A confectioner has candy costing 55 cents and 75 cents per kilogram. If he wishes to make 1000 kilograms of a mixture and sell it for 60 cents per kilogram, how much of each does he need?
Click here to see answer by Mathtut(511)

Question 169166: trains a and b are traveling in the same direction on parallel tracks, train a is traveling at 80 miles per hour, and train b is traveling at 100 miles per hour, train a passes a station at 9:10 a.m. if train b passes the same station at 9:25 a.m. at what time will train b catch up to train a.: trains a and b are traveling in the same direction on parallel tracks, train a is traveling at 80 miles per hour, and train b is traveling at 100 miles per hour, train a passes a station at 9:10 a.m. if train b passes the same station at 9:25 a.m. at what time will train b catch up to train a.
Click here to see answer by ankor@dixie-net.com(4531)

Question 169123: A farmer sold bushels of wheat and bushels of oats. For 425 bushels he received $481.58. How many bushels of each did he sell, if he received $2.08 per bushel of wheat and $.94 per bushel of oats?
HELP!!! I need help organizing this information in a chart and showing my work. I have no idea...Thanks.: A farmer sold bushels of wheat and bushels of oats. For 425 bushels he received $481.58. How many bushels of each did he sell, if he received $2.08 per bushel of wheat and $.94 per bushel of oats?
HELP!!! I need help organizing this information in a chart and showing my work. I have no idea...Thanks.
Click here to see answer by checkley77(3624)

Question 169052: A beaker contains 400L of a solution that is 32% acid. How much water should be added to make a solution that is 25% acid?
I am having trouble figuring this out. I need to organize information in a chart and show my work. Thanks.: A beaker contains 400L of a solution that is 32% acid. How much water should be added to make a solution that is 25% acid?
I am having trouble figuring this out. I need to organize information in a chart and show my work. Thanks.
Click here to see answer by Alan3354(1418)

Question 168604: Kathy has 5 liters of a 32% acid solution and she4 also has a large amount of a 26% acid solution. How many liters of the 26% solution can Kathy mix with the 5 liters of 32% solution in order to produce a 50% acid solution?
the answer isn't possible in the end but i need to know the values of x and y and write out a system of equations from the information given and then solve hte system of equations using substitution or elimination: Kathy has 5 liters of a 32% acid solution and she4 also has a large amount of a 26% acid solution. How many liters of the 26% solution can Kathy mix with the 5 liters of 32% solution in order to produce a 50% acid solution?
the answer isn't possible in the end but i need to know the values of x and y and write out a system of equations from the information given and then solve hte system of equations using substitution or elimination
Click here to see answer by ankor@dixie-net.com(4531)

Question 168432: 5 fl ox of a 2% alcohol solution was mixed with 11 lf oz of a 66% alcohol solution. Find the concentration of the new mixture: 5 fl ox of a 2% alcohol solution was mixed with 11 lf oz of a 66% alcohol solution. Find the concentration of the new mixture
Click here to see answer by nerdybill(1122)

Question 168315: Mr. Jones bought 100 pounds of a 65-cent mixture of annual and perennial grass seed. The annual sells for 50 cents for each pound. The perennial seed sells for 75 cents for each pound. How many pounds of perennial seed are in the mixture?: Mr. Jones bought 100 pounds of a 65-cent mixture of annual and perennial grass seed. The annual sells for 50 cents for each pound. The perennial seed sells for 75 cents for each pound. How many pounds of perennial seed are in the mixture?
Click here to see answer by Mathtut(511)

Question 168318: In a triangle, the measure of the second angle is twice the measure of the first angle. The measure of the third angle is 30 degreesmore than the measure of the second. Find the measure of each angle.: In a triangle, the measure of the second angle is twice the measure of the first angle. The measure of the third angle is 30 degreesmore than the measure of the second. Find the measure of each angle.
Click here to see answer by Mathtut(511)

Question 167992: chef mixes 20 lbs of peas costing 1.99 per pound w/14lb of onions costing 1.19 per lb to make a veggie medley. Find the cost per pound of the mixture.
i cannot set up my work using the handout.
its in columns.
item mixing / amount you have / cost or % / value (equation).
we have to set up the mixtures and whatever numbers we have in the correct places. The mixture problems can either be T1, T2 or T3.all have certain somethings missing !!! ??: chef mixes 20 lbs of peas costing 1.99 per pound w/14lb of onions costing 1.19 per lb to make a veggie medley. Find the cost per pound of the mixture.
i cannot set up my work using the handout.
its in columns.
item mixing / amount you have / cost or % / value (equation).
we have to set up the mixtures and whatever numbers we have in the correct places. The mixture problems can either be T1, T2 or T3.all have certain somethings missing !!! ??
Click here to see answer by stanbon(18984)

Question 167913: A spice mixture is 25% thyme. How many grams of thyme must be added to 12 g of the mixture to increase the thyme content to 40%?: A spice mixture is 25% thyme. How many grams of thyme must be added to 12 g of the mixture to increase the thyme content to 40%?
Click here to see answer by ankor@dixie-net.com(4531)

Question 167914: A grocer mixes two kinds of nuts. One kind costs $5.00/kg and the other $5.80/kg. How many kilograms of each type are needed to make 40 kg of a blend worth $5.50/kg?: A grocer mixes two kinds of nuts. One kind costs $5.00/kg and the other $5.80/kg. How many kilograms of each type are needed to make 40 kg of a blend worth $5.50/kg?
Click here to see answer by checkley77(3624)

Question 167916: Joanne makes a mixture of dried fruits by mixing dried apples costing $6.00/kg with dried apricots costing $8.00/kg. How many kilograms of each are needed to make 20 kg of a mixture worth $7.20/kg?: Joanne makes a mixture of dried fruits by mixing dried apples costing $6.00/kg with dried apricots costing $8.00/kg. How many kilograms of each are needed to make 20 kg of a mixture worth $7.20/kg?
Click here to see answer by checkley77(3624)

Question 167911: How many milliliters of water must be added to 60 mL of a 15% iodine solution in order to dilute it to a 10% iodine solution?
This is a worksheet my teacher handed out and I am completely lost.: How many milliliters of water must be added to 60 mL of a 15% iodine solution in order to dilute it to a 10% iodine solution?
This is a worksheet my teacher handed out and I am completely lost.
Click here to see answer by checkley77(3624)

Question 167794: walnuts that cost $4.05 kilogram were mixed with cashews that cost $7.25 per kilogram.How many kilograms of each were used to make a 50 kilogram mixture that costs $6.25 per kilogram. ROUND each to the nearest tenth.
we use a sheet that confuses me.
1st column has the item mixing going down then the 2nd has amount you have , then 3rd
item mixing/amount you have/X/ cost or %/=/ value (equation)
I just find it alittle confusing as to where everything goes.
Thank you .: walnuts that cost $4.05 kilogram were mixed with cashews that cost $7.25 per kilogram.How many kilograms of each were used to make a 50 kilogram mixture that costs $6.25 per kilogram. ROUND each to the nearest tenth.
we use a sheet that confuses me.
1st column has the item mixing going down then the 2nd has amount you have , then 3rd
item mixing/amount you have/X/ cost or %/=/ value (equation)
I just find it alittle confusing as to where everything goes.
Thank you .
Click here to see answer by scott8148(2758)

Question 167609: 9. If Steven can mix 20 drinks in 5 minutes, Sue can mix 20 drinks in 10 minutes, and Jack can mix 20 drinks in 15 minutes, how much time will it take all 3 of them working together to mix the 20 drinks?
A. 2 minutes and 44 seconds
B. 2 minutes and 58 seconds
C. 3 minutes and 10 seconds
D. 3 minutes and 26 seconds
E. 4 minutes and 15 seconds
10. If Sam can do a job in 4 days that Lisa can do in 6 days and Tom can do in 2 days, how long would the job take if Sam, Lisa, and Tom worked together to complete it?
A. 0.8 days
B. 1.09 days
C. 1.23 days
D. 1.65 days
E. 1.97 days

I dont know how to do this type of question. Can you PLEASE explain?: 9. If Steven can mix 20 drinks in 5 minutes, Sue can mix 20 drinks in 10 minutes, and Jack can mix 20 drinks in 15 minutes, how much time will it take all 3 of them working together to mix the 20 drinks?
A. 2 minutes and 44 seconds
B. 2 minutes and 58 seconds
C. 3 minutes and 10 seconds
D. 3 minutes and 26 seconds
E. 4 minutes and 15 seconds
10. If Sam can do a job in 4 days that Lisa can do in 6 days and Tom can do in 2 days, how long would the job take if Sam, Lisa, and Tom worked together to complete it?
A. 0.8 days
B. 1.09 days
C. 1.23 days
D. 1.65 days
E. 1.97 days

I dont know how to do this type of question. Can you PLEASE explain?
Click here to see answer by Alan3354(1418)

Question 167573: 40 liters of pure syrup costs $18. per liter, mixed w/ imitation syrup that cost $8.50 per liter. How much imitation is needed to make a mixture costing $11.00 per liter?: 40 liters of pure syrup costs $18. per liter, mixed w/ imitation syrup that cost $8.50 per liter. How much imitation is needed to make a mixture costing $11.00 per liter?
Click here to see answer by checkley77(3624)

Question 167575: walnuts that cost $4.05 per kilogram were mixed w/ cashews that cost $7.25 per kilogram. How many kilograms of each were used to make a 50 kg. mixture that costs $6.25 per kilogram.(round to nearest 10th).: walnuts that cost $4.05 per kilogram were mixed w/ cashews that cost $7.25 per kilogram. How many kilograms of each were used to make a 50 kg. mixture that costs $6.25 per kilogram.(round to nearest 10th).
Click here to see answer by checkley77(3624)

Question 164169: x-4= -2/3(y-9) solve for y: x-4= -2/3(y-9) solve for y
Click here to see answer by Alan3354(1418)

Question 167576: walnuts that cost $4.05 per kilogram were mixed w/ cashews that cost $7.25 per kilogram. How many kilograms of each were used to make a 50 kg. mixture that costs $6.25 per kilogram.(round to nearest 10th).: walnuts that cost $4.05 per kilogram were mixed w/ cashews that cost $7.25 per kilogram. How many kilograms of each were used to make a 50 kg. mixture that costs $6.25 per kilogram.(round to nearest 10th).
Click here to see answer by checkley77(3624)

Question 167440: An advertisement for an orang drink claims that the drink contains 10% orange
juice. How much pure orange juice would have to
be added to 5 quarts of the drink to obtain a
mixture containing 40% orange juice?: An advertisement for an orang drink claims that the drink contains 10% orange
juice. How much pure orange juice would have to
be added to 5 quarts of the drink to obtain a
mixture containing 40% orange juice?
Click here to see answer by ptaylor(1332)

Question 167513: Anna made the following announcement:
In 7 years, I will be half my mother's age. Thirteen years ago, she was 6 times as old as i was then.
How old is Anna now?: Anna made the following announcement:
In 7 years, I will be half my mother's age. Thirteen years ago, she was 6 times as old as i was then.
How old is Anna now?
Click here to see answer by nerdybill(1122)

Question 167370: A forester mixes gasoline and oil to make 2 gallons of mixture for his two-cycle chain-saw engine. This mixture is 32 parts gasoline and 1 part two-cycle oil. How much gasoline must be added to bring the mixture to 40 part gasoline and 1 part oil?
I tried to make a chart to list everything I knew from the problem and see how I could solve it, but I'm not sure where to start from.: A forester mixes gasoline and oil to make 2 gallons of mixture for his two-cycle chain-saw engine. This mixture is 32 parts gasoline and 1 part two-cycle oil. How much gasoline must be added to bring the mixture to 40 part gasoline and 1 part oil?
I tried to make a chart to list everything I knew from the problem and see how I could solve it, but I'm not sure where to start from.
Click here to see answer by ptaylor(1332)

Question 167033: Marty leaves the airport in his private plane and flies due east at 180mph. Two hours later, a jet leaves the same airport and flies due east at 810mph. When will the jet overtake Marty's plane?: Marty leaves the airport in his private plane and flies due east at 180mph. Two hours later, a jet leaves the same airport and flies due east at 810mph. When will the jet overtake Marty's plane?
Click here to see answer by checkley77(3624)

Question 167034: Ellen wishes to mix candy worth $2.15 per pound with candy worth $3.95 per pound to form 20 pounds of mixture worth $3.50 per pound. How many pounds of the more expensive candy should she use?: Ellen wishes to mix candy worth $2.15 per pound with candy worth $3.95 per pound to form 20 pounds of mixture worth $3.50 per pound. How many pounds of the more expensive candy should she use?
Click here to see answer by checkley77(3624)

Question 167036: There were 34,000 people at a ball game in Los Angeles. The day's receipts were $226,000. How many people paid $13 for reserved seats and how many paid $5 for general admission?: There were 34,000 people at a ball game in Los Angeles. The day's receipts were $226,000. How many people paid $13 for reserved seats and how many paid $5 for general admission?
Click here to see answer by checkley77(3624)

Question 167032: A merchant has coffee worth $30 a pound that she wishes to mix with 90 pounds of coffee work $60 a pound to get a mixture that can be sold for $40 a pound. How many pounds of the $30 coffee should be used?: A merchant has coffee worth $30 a pound that she wishes to mix with 90 pounds of coffee work $60 a pound to get a mixture that can be sold for $40 a pound. How many pounds of the $30 coffee should be used?
Click here to see answer by ptaylor(1332)