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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.
Click here to see answer by checkley77(12844)

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

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?
Click here to see answer by Mathtut(3670)

Question 169441: How many integers are there between 5 and 14?
Click here to see answer by Alan3354(69443)

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.
Click here to see answer by gonzo(654)

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
Click here to see answer by checkley77(12844)

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
Click here to see answer by nerdybill(7384)

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?
Click here to see answer by stanbon(75887)

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?
Click here to see answer by Mathtut(3670)

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?
Click here to see answer by scott8148(6628)

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?
Click here to see answer by Earlsdon(6294)

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!

Click here to see answer by stanbon(75887)

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?
Click here to see answer by josmiceli(19441)

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.
Click here to see answer by Mathtut(3670)

Question 170518: 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?
Click here to see answer by stanbon(75887)

Question 170608: PLEASE, HELP ME WITH THIS PROBLEM! I'VE BEEN TRYING SINCE YESTERDAY AND I COULDN'T FINISH YET =( THANKS.
In 8h, two campers rowed 15min down a river and then rowed back their campsite. The rate of the river's current was 1mph. Find the rate at which that campers row in calm water.
Click here to see answer by scott8148(6628)

Question 170648: A concrete driveway measures 14 yards by 5 yards. The driveway will be 0.75 yards thick. A) How many cubic yards of concrete will be needed? B) How much will it cost if concrete is $4.75 per cubic yard?
Click here to see answer by Mathtut(3670)

Question 170715: a solution contains 4% salt. how much pure water should be added to 30 oz of the solution to dilute it to a 1.5% salt solution?
thanks
Click here to see answer by Mathtut(3670)

Question 170774: Two boys were sent to get water. One boy had a 9-liter pail. The other had a 4-liter pail.They needed to bring back 7- liters of water,with no markings on the pail,how would thet do that.
Click here to see answer by Mathtut(3670)

Question 171066: help me please with this problem too step by step:( Lupe's mother paid $7.40 to buy juice for the 14 members of Lupe's softball team. If a bottle of orange juice costs $.55 and a bottle of apple juice costs $.45 hot many of each type did she buy?)
Click here to see answer by checkley77(12844)

Question 171232: This is from a General Factoring Section...
Simplify Radical
______
\/ 112 or square root of 112
Click here to see answer by Mathtut(3670)

Question 171234: This is from a Factoring Section
Simply Radical
______
\/ 90 or square root of 90
Click here to see answer by Mathtut(3670)

Question 171229: This is from a General Factoring Section...
Find Solutions?
3t^2+11t-20=0
Click here to see answer by Mathtut(3670)

Question 171227: This is from a General Factoring Section...
Find Solutions?
-17w=8w^2+5w-40
Click here to see answer by scott8148(6628)

Question 171223: This is a General Factoring Section...
Find Solutions?
y(2y+7)=15
Click here to see answer by scott8148(6628)

Question 171217: Without drawing the given ewuation, determine
A)how many x-intercepts the parabola has
B)whether its vertex lies above or on below or on the x-axis. Show your work.
y=-x^2-5x+6
y=-x^2+2x-1
Click here to see answer by Mathtut(3670)

Question 171358: An herbalist has 30 ounces of herb costing $2.00 per ounce. How many ounces of herbs costing $1.00 per ounce should be mixed with the 30 ounces to produce a misture costing $1.60 per ounce?
Click here to see answer by nerdybill(7384)

Question 171540: 1. A rectangular garden has dimensions of 18 feet by 13 feet. A gravel path of uniform width is to be built around the garden. How wide can the path be if there is enough gravel for 516 square feet?
2. A business invests $10,000 in a savings account for two years. At the beginning of the second year, an additional $3500 is invested. At the end of the second year, the account balance is $15,569.75. What was the annual interest rate?
3. Steve traveled 200 miles at a certain speed. Had he gone 10mph faster, the trip would have taken 1 hour less. Find the speed of his vehicle.
4. The Hudson River flows at a rate of 3 miles per hour. A patrol boat travels 60 miles upriver, and returns in a total time of 9 hours. What is the speed of the boat in still water?
Click here to see answer by Mathtut(3670)

Question 171548: Trying to solve Algebra-1 Mixture problems. Some of the simple ones I understand, but I am stumped on this one:
Steven has 3 pounds of Brand 121 nuts that sell for $2.23 a pound. He also has Brand 330 nuts that sell for $1.75 per pound. If he wants a mixture of nuts that sell for $1.93 a pound, how many pounds of Brand 330 should he add?
In following the previous examples they have given me, I build a table such as:
........$$$........LBS.......TOTAL
121.....2.23........3.........6.69
330.....1.75........X.........1.75X
MIX.....1.93.......3+X......1.93(3+X)
The answer is suppose to be 5 pounds, but I don't understand how to take the data from the table and get 5 pounds.
HELP!
and thanks!
Click here to see answer by stanbon(75887)

Question 172019: solve the problems A and B
A) how many liters of 4% brine solution must be added to 40 liters of 12% brine solution to dilute it to an 8% solution?
B) A student has a test scores of 85%,78%, and 73% in beginning algebra class. what must she score on the last exam to earn a B?
Click here to see answer by ptaylor(2198)

Question 172102: 1. A rectangular garden has dimensions of 18 feet by 13 feet. A gravel path of uniform width is to be built around the garden. How wide can the path be if there is enough gravel for 516 square feet?
2. A business invests $10,000 in a savings account for two years. At the beginning of the second year, an additional $3500 is invested. At the end of the second year, the account balance is $15,569.75. What was the annual interest rate?
3. Steve traveled 200 miles at a certain speed. Had he gone 10mph faster, the trip would have taken 1 hour less. Find the speed of his vehicle.
4. The Hudson River flows at a rate of 3 miles per hour. A patrol boat travels 60 miles upriver, and returns in a total time of 9 hours. What is the speed of the boat in still water?

Click here to see answer by solver91311(24713)

Question 172141: How many quarts of a 10% anti-freeze solution must be mixed with 16 quarts of a 40% anti-freeze solution to make a 30% solution?
Click here to see answer by stanbon(75887)

Question 172267: How many liters of a 20% salt solution must be added to 42 L of a 38% salt solution to get a 28% salt solution?
Click here to see answer by Mathtut(3670)

Question 172584: Claudia has received 19 more Christmas cards than Larry.
Larry has received 17 less than Vicki.
Jorge has eight more cards than Lori.
Vicki has received 5 more cards than Jorge.
Jorge and Larry have 44 cards between them.
How many have the 5 received between them?
Thanks for the help I appreciate it. I can't figure this out for the life of me.
Mandie
Click here to see answer by stanbon(75887)

Question 172661: A farmer needs 65 gallons of weed killer solution. He has 35% weed killer solution which is too weak for the job and a 60% weed killer solution which is too strong. How many gallons of each solution should he mix to obtain 70 gallons of a 50% solution?
Click here to see answer by stanbon(75887)

Question 172783: art can do a job in 30 minutes bob can do it in 40 min. and carl can do it in 60 min , how long will it take them all to do the job if they help eachother, write the equation
Click here to see answer by vleith(2983)

Question 172810: student filled a tub of water weighing 20 liters they placed a brick into the water the brick sanked the student removed the water the brick had displaced the students measured the water they removed and found it had a volume of 960 milliliters the students took brick out of water an weighed it the mass was 7 kilograms they divided 7 by 0.96 whow much did the water displace weigh
Click here to see answer by Alan3354(69443)

Question 164104: A chemist has 60 g of a solution that is 70% acid. How much water should be added to make a solution that is 40% acid?
Click here to see answer by Alan3354(69443)

Question 172837: solve
a) -9X-10<-46 PUT A LINE UNDER< SIGN
B) -6<3(x-1)<12 put a line under the first<
Click here to see answer by Mathtut(3670)

Question 172841: solve
A) the circumference of a circle is 2,500 cm. Find its diameter and its area ( approximate to nearest tenth place.)
B) An electrician wants to cut a 30-foot electric wire into 3 pieces. The longest piece is to be four times as long as the shortest and the middle-sized piece is to be 2 feet less than three times the shortest piece. Write the equation. And find the length of each of the pieces.
Click here to see answer by colliefan(242)

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