Questions on Word Problems: Mixtures answered by real tutors!

Tutors Answer Your Questions about Mixture Word Problems (FREE)

Question 159330: how much pure acid should be mixed with 8 gallons of 50% acid solution to get an 80% solution?
Click here to see answer by nerdybill(7384)

Question 159329: a chemist needs 5 liters of a 50% salt solution. All he has available is a 20% salt solution and a 70% salt solution. How many liters of each of the two solutions should he mix to obtain his desired solutions?
Click here to see answer by ankor@dixie-net.com(22740)

Question 159357: A mixture containing 6% boric acid is to be mixed with 4 liters of a mixture which is 25% boric acid in order to obtain a solution which is 12% boric acid. How much of the 6% solution must be used?
Click here to see answer by stanbon(75887)

Question 159399: please help me and show steps for solving this equation:
4(W+Y) + 2(4W+5Y)
thanks
Click here to see answer by edjones(8007)

Question 159495: A vat contains 450 gallons of 30% alcohol solution, but the manufacturer wants a 42.6% alcohol solution. How much solution must be drained and replaced with pure alcohol to obtain the desired results?
Click here to see answer by nerdybill(7384)

Question 159494: Suppose we wish to mix some 32% salt solution with some 58% salt solution to produce ten liters of 46.3% salt solution. How many liters of each of the starting solutions needs to be used?
Click here to see answer by checkley77(12844)

Question 159555: How much pure acid should be mixed with 7 gallons of a 40% acid solution in order to get an 80% acid solution?
Click here to see answer by stanbon(75887)

Question 159493: How many liters of pure alcohol need to be added to seven liters of 21% alcohol solution to produce a mixture which is 44.7% alcohol?
Click here to see answer by KnightOwlTutor(293)

Question 159819: Could I please ask for your help.

Jack earned twice as much as Mary and Jill earned $8 more than Mary. Who made the most money?
Jack
Mary
Jill
Can't Answer
A tire dealer sells 2 tires for as much as he paid for 3 tires. He paid $240 for a dozen tires. What is the total profit on 12 tires?
$120
$180
$240
$360
$385

Click here to see answer by nerdybill(7384)

Question 159820: Could I ask for your help?
What will the last payment be to pay off a $1,250 computer plus 8% sales tax with monthly payments of $120?
$10
$11
$12
$20
$30
Four people in a room. Each shakes hands with each of the others once. How many handshakes are there?
6
10
12
16
22

Click here to see answer by KnightOwlTutor(293)

Question 159874: i am having a hard time on this. any help will be appreciated.
a chemist needs 140 milliliters of a 33% solution but has only 28% and 42% solutions available. find how many milliliters of each that should be mixed to get the desired solution.
Click here to see answer by ptaylor(2198)

Question 159894: how many kilograms of a 30% acid solution must be added to 80kg of a 20% solution to produce a 28% solution?
Click here to see answer by Fombitz(32388)

Question 160066: How many pounds of dog food A, containing 16% protein, needs to be blended with dog food B, containing 75% protein, to obtain 500LBS of food with 7% protein? (use quantity X Value Table)
barcode of textbook 9-780618-918805
Click here to see answer by midwood_trail(310)

Question 160067: How many pounds of dog food A, containing 16% protein, needs to be blended with dog food B, containing 75% protein, to obtain 500LBS of food with 7% protein? (use quantity X Value Table)
Click here to see answer by midwood_trail(310)

Question 159990: Mrs. Johnson planned to spend $78 for fabric to make draperies.She found her fabric on sale at 20 percent less per yard than she expected and was able to buy her drapery fabric plus 4 extra yards for a bedspread for $83.20. How much fabric had she planned to buy and what was the original cost per yard?
Click here to see answer by ankor@dixie-net.com(22740)

Question 160111: A contractor orders 8 cubic yards of premixed cement, all of which is to be used to pour a patio that will be 4 inches thick. If the length of the patio is specified to be twice the width, what will be the patio dimensions?
Click here to see answer by checkley77(12844)

Question 160147: How much water must be evaporated from 240 gallons of a 3%salt solution to produce a 5% salt solution?
Click here to see answer by ptaylor(2198)

Question 160145: A concert brought in $27,200 on the sale of 4,000 tickets. If the tickets sold for $5 and 8$, how much each was sold?
Click here to see answer by jojo14344(1513)

Question 160150: A chemical engineer mixed two chemical solutions of different strenghts 30% and 50% of the chemical solutions respectively. How many millimiters of the 30% and 50% strenghts must be used to produced a mixture of 50 millimeters that contains 42% of the chemical solutions?
Click here to see answer by Fombitz(32388)

Question 160152: A collection of 1 cent (pennies), 5 cent (pickels) and 10 cent (dimes) totals 2.12.00. The total number of coins is 42 and there are twice as many 5 cent (nickels0 as 10 cent (dimes). How many of each kind are there?
Click here to see answer by KnightOwlTutor(293)

Question 160143: A sales lady sold a book at 35% of the price instead discounting the price by 35%.If she sold the book for 156.00, what was the price for which they should have sold the book?
Click here to see answer by nerdybill(7384)

Question 160180: Wawa wants to mix cashew nuts worth $6 a pound with peanuts worth $2 a pound to get a 50 pound mixture worth $5 a pound. How much of each is needed
Click here to see answer by checkley77(12844)

Question 160227: how many ounces of a 30% alcohol solution must be mixed with 40 ounces of an 80% alcohol solution to get a 70% solution?
Click here to see answer by nerdybill(7384)

Question 160238: How many liters of a 20% alcohol solution should Maria mix with 50 liters of a 60% alcohol solution to obtain a 30% solution?
Click here to see answer by vleith(2983)

Question 160273: The admission fee at small fair is $1.50 for children and $4.00 for adults. On a certain day, 2,200 people enter the fair and $5050 is collected. How many children and how many adults attended?
Click here to see answer by nerdybill(7384)

Question 160272: How many pounds of lima beans that cost $0.90 per pound must be mixed with 16 pounds of corn costs $0.50 per pound to make a mixture of vegetable that costs $0.65 per pound?
Click here to see answer by nerdybill(7384)

Question 160274: A man made a deposit of 106.00. If his deposit consists of 42 bills some are one-peso bills and the rest are five-peso bills, how many bills of each kind he have?
Click here to see answer by oscargut(2103)

Question 160275: If 19 kilos of gold loses 1 kilo and 10 kilos of silver loses 1 kilo when weighted in water, find the weight of the gold in a bar of gold and silver weighing 106 kilos in air and 99 kilos in water?
Click here to see answer by Edwin McCravy(20055)

Question 160271: A market vendor wants to mix the liver and the gizzards of chickens to have 40 kilograms of assortment worth 120.00 per kilogram. The liver costs 110.00 per kilogram while the gizzard costs 75.00 per kilogram. How much each kind must be mixed?
Click here to see answer by gonzo(654)

Question 160286: One alloy is one part copper to three parts tin. A second alloy is one part copper to four parts tin. How much of the second alloy should be combined with 24 pounds of the first alloy to obtain a new alloy that is two parts copper to seven parts tin?
Click here to see answer by nerdybill(7384)

Question 160290: We've tried and tried.........
Mary makes 3 investments. The investment that pays 12% is twice the amount of the account that pays 9%. The amount invested at 10% is $500 more than the amount invested at 9%. If the annual interest income is $1555, how much money is invested at each rate?
We tried making the box-
P R T = I
1. 2x .12 1
2. x .09 1
3. x+500 .10 1
We're stuck. Line #1 we got $840.00
#2 $315.00
Then it doesn't add up to 1555. Can you help us figure this out?
Thanks,
Tricia
Click here to see answer by checkley77(12844)

Question 160336: I am a prime number between 40 and 50. If you add 1 to me, the sum of the prime factors of that compostie number is 11. What number am I? HELP
Click here to see answer by checkley77(12844)

Question 160579: how many liters of a 45% salt solution should be mixed with 9 liters of a 35% salt solution to make a solution that is 36% salt? round to the nearest hundredth
Click here to see answer by ptaylor(2198)

Question 160573: Stella's catering is planning a wedding reception. The bride and groom would like to serve a nut mixture containing 25% peanuts. Stella has available mixtures that are either 40% or 10% peanuts. How much of each type should be mixed to get a 10-lb mixture that is 25% peanuts?
Click here to see answer by KnightOwlTutor(293)

Question 160543: Lemon Drops are $1.90 per pound. Jelly Beans are $1.20 per pound. A mixture is $1.48 per pound. How many pounds of each should you use to make a 100 pound mixture?
Click here to see answer by ptaylor(2198)

Question 160550: A bag of peanuts is worth 30 cents less that a bag of cashews. Equal amounts of peanuts and cashew are used to make 40 bags of a mixture that sells for $1.05 per bag. How much would a bag of cashews be worth?
Click here to see answer by ptaylor(2198)

Question 160552: A store sells regular coffe for $4 a pound and a gourmet coffee for $7 a pound. To get rid of 40 pounds of the gourmet coffee, the shopkeeper plans to make a gourmet blend to sell for $5 a pound. How many pounds of regular coffee should be used?
Click here to see answer by ptaylor(2198)

Question 160647: A grocery store sells certain candies in bulk. The Good and Plenty cost $2.49 per pound and the Sweet Treats cost $2.89 per pound. If Jane Strange takes 3 scoops of Good and Plenty and mixes it with 5 scoops of Sweet Treats, how much per pound should the mixture sell for? Assume each scoop contained the same weight of candy.
Click here to see answer by checkley77(12844)

Question 160648: A grocery store sells certain candies in bulk. The Good and Plenty cost $2.49 per pound and the Sweet Treats cost $2.89 per pound. If Jane Strange takes 3 scoops of Good and Plenty and mixes it with 5 scoops of Sweet Treats, how much per pound should the mixture sell for? Assume each scoop contained the same weight of candy.
Click here to see answer by checkley77(12844)

Question 160758: hi i'm hazellene chua of chiang kai shek college in manila, well, i'm having problem in my math subject my quizes and seatworks were failed, please help me understand mixture problem, uniform motion problem, money related problems, inequalities, absolute value, the rectangular oordinate system, number line, grahing of linear equations. if you have time kindly do some reviewer for me it would help me a lot for taking up my 2nd periodical examination!! thank you

respectfully yours,
hazellene
Click here to see answer by vleith(2983)

Question 160950: If the degree measure of the smallest angle of a triangle is one half of the degree measure of the second largest angle and one third of the degree measure of the largest angle, then what is the degree measure of each angle?
Click here to see answer by KnightOwlTutor(293)

Question 160958:
Click here to see answer by mathdad(1)

Question 161215: A photographer wishes to mix 2 liters of a 5% acetic acid solution with a 10% solution to get a 7% solution. How many liters of 10% solution must be added?

Click here to see answer by ankor@dixie-net.com(22740)

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