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Question 683803: Help please in this problem: Mixture Problem
A radiator contains 25 liters of water and antifreeze solution, of which 60% is antifreeze. How much of this solution should be drained and replaced with water for new solution to be 40% antifreeze?
Ans. is 8.33 liters, but I dont know the solutions..
Click here to see answer by josmiceli(19441)

Question 683805: Mixture Problem:
Question: Determine how many liters of 6% acid solution and how many liters of 12% acid solution should be mixed by a chemist to obtain 6 liter of 10% acid solution.

Ans. 3.6 ---> but i dont know the solution..
Click here to see answer by ankor@dixie-net.com(22740)

Question 683927: How much soil containing 55% sand needs to be added to 1m of soil containing 25% sand to make soil containing 35% sand?
Click here to see answer by josmiceli(19441)

Question 683955: https://docs.google.com/viewer?pid=bl&srcid=ADGEESizDi3BUf56uTFYDuCczHNPdesRLKChCuCxLHs0gGAmRnFEIAFsv1KWkUN8D-dHbiug3kAt47tLrTSOFh9_10bdpL5Q0qI43mUMYKf9r2yOS00gFXxnBw3UDKW9AZHSFqGcsF54&q=cache%3ALwteyUzipRcJ%3Awww.b-g.k12.ky.us%2Fuserfiles%2F1134%2FClasses%2F35118%2FMixtures%2520Packet.pdf%20&docid=50dca1658cbc5693fac3e250a3e83fbf&a=bi&pagenumber=13&w=138

Can you help me with this???
Just copy and paste the address

Click here to see answer by Alan3354(69443)

Question 684081: How much water should be added to 77 gallons of a 37% salt solution to get a 33% salt solution?
Click here to see answer by Onmyoji.S(32)

Question 684100: a chemist has one solution that is 25% acid and a second one that is 50% acid. how many liters of each should be mixed to get 10 liters of a solution that is 40% acid?
Click here to see answer by ankor@dixie-net.com(22740)

Question 684327:
how many bags of 7% cement should be mixed with 4 bags of 17% to produce a mix containg 11% cement
Click here to see answer by checkley79(3341)

Question 684511: Jake has $2.55 in dimes and quarters. He has eight more dimes than quarters. How many quarters does he have?
Click here to see answer by lynnlo(4176)

Question 684827: An 80% fruit juice concentrate is to be mixed with water to produce 10 gallons of 20%
fruit juice mixture. How much of each is needed? Is it even legal to call the resulting
concoction �juice�?

Click here to see answer by stanbon(75887)

Question 685549: An alloy of metals is 25% copper. Another alloy is 50% copper. How much of each alloy should be used to make 1000 grams of an alloy that is 45% copper?
Click here to see answer by stanbon(75887)

Question 685760: How many would 10% of 150
Click here to see answer by sachi(548)

Question 685848: A metal alloy weighing 12 lb. and containing
20% copper is melted and mixed with 3 lb. of a
different alloy which contains 40% copper.
What percent of the resulting alloy is copper?
Click here to see answer by lwsshak3(11628)

Question 686511: What quantity of pure acid must be added to 600mL of 30% acid solution to produce a 65% acid solution?
So far I have tried
0.30(600)=.65(600+x)
However it doesn't seem to get me the right answer
Click here to see answer by Alan3354(69443)

Question 686859: I am working with 200 ML I have a mix of 80% Glycol and 20% glycerin How many ML of glycerin do I add to get to a 50/50 mix ?
Click here to see answer by nerdybill(7384)

Question 687127: 1. April Day, Peter Rabbit, and Marsha Mallow all joined the Annual Easter Egg Hunt at the local park. When the hunt was over, the three friends sat down together and counted their eggs. April and Peter had a combined total of 25 eggs. Peter and Marsha had a combined total of 23 eggs. April and Marsha had a combined total of 24 eggs. How many eggs did each child find?
Click here to see answer by josh_jordan(263)

Question 687410: 70% of salt solution was diluted with water to produce 50liters of 55% salt solution.How much water was used?
Click here to see answer by lwsshak3(11628)

Question 687557: the length of a pipe is 15 metres 75 centimetres. the length of another pipe is 13 metres 46 centimetres. find the total length of both the pipes?
Click here to see answer by stanbon(75887)

Question 687536: "One salt solution is 5% salt and a second is 20% salt. How many ounces of each should be mixed to make one quart of 14% salt solution?"

Click here to see answer by stanbon(75887)

Question 687663: Solve the linear equation.
7x - 3 = 18
Click here to see answer by rfer(16322)

Question 687757: A bottle of fruit juice contains 10% water. How much water must be added to this to produce 7 L of
fruit juice that is 55% water?
Click here to see answer by josmiceli(19441)

Question 688046: a chemist has 40 grams of 25% sulfuric acid solution. how much pure sulfuric acid must she add to get a solution which is 30% sulfuric acid.
Click here to see answer by stanbon(75887)

Question 688405: Please help me solve this problem: How much of a 50% acid solution must be mixed with 30 gallons of an 18% acid solution to obtain a solution that is 40% acid?
Click here to see answer by teentutor(5)

Question 688822: How many gallons of a 30% acid solution must be mixed with 20 gallons of a 19% solution to obtain a solution that is 25% acid?
Click here to see answer by ptaylor(2198)

Question 688891: How much of an alloy that is 10% copper should be mixed with 600 ounces of an alloy that is 90% copper in order to get an alloy that is 40% copper?
Click here to see answer by checkley79(3341)

Question 689520: A company offers a starting salary of $38,000 with raises of $2,000 per year. Find the total salary over a ten-year period.
Click here to see answer by josmiceli(19441)

Question 689761: How much pure acid must be added to 25 gallons of 25% solution to obtain a 50% solution?
What I tried:
25(100x + 25) = 50(100x)
2500x + 625 = 5000x
625 = 2500x
x = 1/4 (.25)
But something doesn't seem quite right! Thank you in advance!
Click here to see answer by solver91311(24713)

Question 689823: How many liters of a 60% acid solution must be added to 10 liters of 20% acid solution to make a make 50% acid solution?
Click here to see answer by nerdybill(7384)

Question 690771: how much 25% of solution must be mixed with 70% solution to make 100ml of 58 solution
Click here to see answer by nerdybill(7384)

Question 690811: For the first hour of a four hour trip, the average speed of a train was 40 km/h. If the average
speed for the whole trip was 70 km/h, what was the average speed for the last three hours of
the trip?
Click here to see answer by josmiceli(19441)

Question 690832: 5.6 g = ___________mg

Click here to see answer by Alan3354(69443)

Question 690824: How much water was evaporated from 7L of a 52% salt solution to produce a solution that was 91% salt?
Click here to see answer by josmiceli(19441)

Question 690849: How many liters of orange juice worth $1.80 per liter should be mixed with 2.4L of
lemonade worth $1.15 per liter to produce a punch worth $1.54 per liter? THANKS!!!
Click here to see answer by josmiceli(19441)

Question 690956: How much 5% acid must be mixed with 25% acid to obtain 500 ml of 7% acid
Click here to see answer by stanbon(75887)

Question 691017: a 20% solution of fertilizer is to be mixed with a 50% solution of fertilizer in order to get 60 gallons of a 40% solution. How many gallons of the 20% solution and 50% solution should be mixed
Click here to see answer by fcabanski(1391)

Question 691126: Find how many quarts of 6% butterfat milk and 2% butterfat milk should be mixed to yield 40 quarts of 3% butterfat milk.
The mixture should contain __ quarts of the 6% butterfat milk
The mixture should contain___ quarts of the 2% butterfat mik
Click here to see answer by stanbon(75887)

Question 691308:
Bob and Steve want a 14% alcohol solution. how many ounces of a 12% alcohol solution must be mixed with a 20% alcohol solution to form 100 ounces of the 14% alcohol solution?
Click here to see answer by checkley79(3341)

Question 691502: How many mL of a 20% acid should Paul mix with a 60% acid solution to make 100 mL of 50% acid solution?
Click here to see answer by josmiceli(19441)

Question 691032: what is the difference between dividing a set of objects into three equal groups and dividing the same set of objects into groups of three?

Click here to see answer by KMST(5328)

Question 691863: a dairy owner mixes 5 gal of cream that is 30% butterfat and 8 gal of milk that is 4% butterfat. find the percent concentration of butterfat in the resulting mixture.
Click here to see answer by stanbon(75887)

Question 691910: Two friends work part time at a store. The first person works every 6th day and the second person works every 10th day. If they are both working today, how manu days pass before they both work on the same day again?
Click here to see answer by Edwin McCravy(20055)

Question 691968: a 50 gallon barrel of milk is 60% butterfat. how much skim milk (no butterfat) should be mixed to make milk that is 30% butterfat?
Click here to see answer by josmiceli(19441)

Question 692308: A motorboat leaves a harbor at an average speed of 9mph toward a small island. Two hours later a cabin cruiser leaves the same harbor and travels at an average speed of 18mph toward the same island. In how many hours after the cabin cruiser leaves the harbor will it be alongside the motorboat? the answer i got was 4 hours but i am not sure if the method i did to get the answer is correct.
Click here to see answer by vleith(2983)

Question 692346: How many ounces of a 30% saline solution must be added to 60 ounces of a 20% saline solution to make a 25% saline solution? Can you please show me the steps?
Click here to see answer by MathTherapy(10552)

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