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Question 790900: How many liters of a 5% salt solution must be added to 2 liters of a 2% salt solution in order to obtain a mix?
Click here to see answer by josgarithmetic(39617)

Question 790998: how many liters of water must be added to 30 liters of a 10% brine solution to dilute it to an 8% solution?
Click here to see answer by lwsshak3(11628)

Question 791374: How many gallons of 5% acid solution should be mixed with 20 gallons of a 10% acid solution to obtain an 8% acid solution? Please show work.
Click here to see answer by stanbon(75887)

Question 791501: How many ounces of water must be added to 16 ounces of a 25% nitric acid solution to make a 10% solution?
Click here to see answer by josgarithmetic(39617)

Question 791489: The radiator in Michelle�s car contains 16 L of antifreeze and water. This mixture is 30% antifreeze. How much of this mixture should she drain and replace with pure antifreeze so that there will be a mixture of 50% antifreeze?
Click here to see answer by josgarithmetic(39617)

Question 791515: How many gallons of a 4% salt solution must be mixed with 50 gallons of a 26% solution to obtain a 15% solution?
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Question 791474: A candy distributor needs to mix a 10% fat-content chocolate with a 60% fat-content chocolate to create 200 kilograms of a 12.5% fat-content chocolate. How many kilograms of each kind of chocolate must they use?

Click here to see answer by josgarithmetic(39617)

Question 791569: If 60 gallons of a 20% solution is needed and all that's available is a 10% solution and a40% solution how many of each is needed
A
Click here to see answer by mananth(16946)

Question 791544: A coffee distributor needs to mix a(n) Kenya coffee blend that normally sells for $8.40 per pound with a Gazebo coffee blend that normally sells for $9.30 per pound to create 50 pounds of a coffee that can sell for $8.98 per pound. How many pounds of each kind of coffee should they mix
Click here to see answer by mananth(16946)

Question 792076: One website recommends a 6% chlorine bleach-water solution to remove mildew. A chemical lab has 3% and 15% solutions in stock. How many gallons of each should be mixed to obtain 100 gallons of mildew spray?
Click here to see answer by stanbon(75887)

Question 792267: Bruce has a bottle that contains 60% of lemon juice and the rest water. The bottle has 1 liter of water. Write an equation in one variable that can be used to find the total number of liters of lemon juice and water in the bottle. Define the variable used in the equation.

Click here to see answer by josmiceli(19441)

Question 792380: I have half a litre of solution, which is 40% acid, and the rest water. If I mix it with 2 litres of solution which is only 10% acid, what is the percentage of acid in the mixture?
Click here to see answer by josgarithmetic(39617)

Question 792400: A photographer wants to mix 3 liters of a 4% acetic acid solution with a 15% solution to get a 9% solution. how many liters of 15% solution should be used to obtain the 9% solution?
Click here to see answer by stanbon(75887)

Question 792417: how many gallons of a 50% antifreeze solution must be mixed with 60 gallons of 25% antifreeze to get a mixture that is 40% antifreeze
Click here to see answer by mananth(16946)

Question 792116: A lab technician mixed a 560 ml solution of water and alcohol. If 3% of the solution is alcohol, how many milliliters of alcohol were used, and how many milliliters of water were used?
Click here to see answer by ankor@dixie-net.com(22740)

Question 793100: A certain automobile cooling system contains 11.0 liters of coolant that is 15% antifreeze. How man liters of mixture must be removed so that, when it is replaced with pure antifreeze, a mixture of 25% antifreeze will result
Click here to see answer by stanbon(75887)

Question 793362: A chemist need 12L of a 40% alcohol solutions. She mix a 20% solution and a 50% solution. How many liters of each will be required to obtain what she needs?
Click here to see answer by josgarithmetic(39617)

Question 793485: A 25% acid solution is added to a 30% acid solution to create 40 gallons of a 50% solution. How much of each solution is needed?
Click here to see answer by stanbon(75887)

Question 793497: a photographer wants to mix 3 liters of a 4% acetic acid solution with a 15% solution to get a 9% solution. How many liters of 15% solution should be used to obtain 9% solution?

Click here to see answer by stanbon(75887)

Question 793496: 50 ounces of pure orange juice are added to 200 ounces of a fruit punch that is 10% orange juice what is the percent concentration of orange juice in the mixture
Click here to see answer by josmiceli(19441)

Question 793645: A chemist has three different acid solutions. The first acid solution contains 25% acid, the second contains 35% and the third contains 75%. He wants to use all three solutions to obtain a mixture of 64 liters containing 55% acid, using 3 times as much of the 75% solution as the 35% solution. How many liters of each solution should be used?
Click here to see answer by josgarithmetic(39617)

Question 793651: How many quarts of water must be added to 6 qt of an 80% antifreeze solution to make a 60% antifreeze solution?
Click here to see answer by harpazo(655)

Question 793786: Trying to help son by learning myself.
How many Liters of OJ worth $1.80 should be mixed with 2.4L of lemonade worth 1.15 to produce punch worth 1.54
Thank you

Click here to see answer by josmiceli(19441)

Question 793920: How much water should be added to 10 liters of a 45% alcohol solution to produce a 30% solution?
Click here to see answer by stanbon(75887)

Question 793912: suppose that one cocktail is 25% ethanol and another cocktail is 110% ethanol. How many milliliters of each solution should be mixed to make 10.5 milliliters of an 80% ethanol solution?
x + y = 10.5
-x -x
y = 10.5 - x
.25x + 1.10y = 10.5(0.8)
.25x + 1.10(10.5 - x) = 10.5(0.8)
.25x + 11.55 - 1.10x = 8.4
-.25x .25x
11.55 - 1.35x = 8.4
-11.55 -11.55
-1.35x = -3.15
/-1.35 /-1.35
x = 2.33Reapeating.
Am I correct on my work? My answer seems wrong to me. If I move my answer into percentage form....it will be 233%?
Please help!!!
Thank you for your time, greatly appreciated!!!!
Click here to see answer by ankor@dixie-net.com(22740)

Question 794202: how many liters of a 60% acid solution must be mixed with a 75% acid solution to get 20 liters of a 72% solution
Click here to see answer by josgarithmetic(39617)

Question 794199: a pharmacist has 20 liters of a 10% drug solution how many liters of 5% solution must be added to get a mixture that is 8%
Click here to see answer by josgarithmetic(39617)

Question 794667: I am a little confused. Please help:
Smith wants to make a 100 quarts of 5% chocolate milk solution mixing a quantity of a 2% chocolate milk solution with a quantity of 7% chocolate milk solution. What is the quantity of the 7% that he has to use?
Click here to see answer by josmiceli(19441)

Question 794653: The width of a rectangle is 1 inch more then twice it's length, and the perimeter is is 104 inches. Find the length and width of the rectangle.
Click here to see answer by waynest(281)

Question 794695: 1. 100 pounds of candy sells for $1.75 a pound. It contains candy worth $1.65 a pound and some worth $1.90 a pound. How many pounds of each were used?

Click here to see answer by josgarithmetic(39617)

Question 794660: "A snack food is made by mixing 6 lb of popcorn that costs $0.80 per pound with caramel that costs $2.50 per pound. How much caramel is needed to make a mixture that costs $1.48 per pound?"
Click here to see answer by josgarithmetic(39617)

Question 794648: A chemist has two solutions, one is 30 percent alcohol, and the other is 90 percent alcohol. How much of each solution should be mixed together to make 400 liters of solution that is 54 percent alcohol?
Click here to see answer by josgarithmetic(39617)

Question 794742: One type of antifreeze is 40% glycol and another type of antifreeze is 60% glycol. How much of each kind should by used to make 100 gallons of antifreeze that is 48% glycol?

Click here to see answer by josgarithmetic(39617)

Question 794741: how many fluid ounces of water should be added to 4 ml of a 1:4 concentration to make a 1:6 concentration?
Click here to see answer by josgarithmetic(39617)

Question 794738: The manager of a store selling tea plans to mix a more expensive tea that costs $7 per pound with a less expensive tea that costs $4 per pound to create a 150 pound blend that will sell for $5.20 per pound. How many pounds of each type of tea are required? How do you solve?
Click here to see answer by josgarithmetic(39617)

Question 794721: I'm trying to help my 7th grader with an algebra problem. Boy...I feel stupid! Here it is.
A bike shop has a bunch of bikes for sale. The problem asks how many of each bike are available. Here is the information given:
The shop sells tricycles, bicycles, tandem bikes, and unicycles.
There are 57 helmets available (one for each rider).
There are 115 wheels total.
There are 32 regular bikes.
There are the same same number of tandem bikes as ther are unicycles.
That is all the information there is. Thanks for your help!
Rich
Click here to see answer by mananth(16946)

Question 794815: 4 pounds of wheat at $1.5 is mixed with 8 pounds of wheat at $2 per pound. find the average price of the mixture?
Click here to see answer by Edwin McCravy(20055)

Question 795155: Hector is performing an experiment that requires 160 ml of 40% sulfuric solution. He has a 25% sulfuric acid solution and a 50% sulfuric acid solution. How many ml of each solution should he mix to obtain the needed solution?
Click here to see answer by stanbon(75887)

Question 795205: A 12-ounce mixture of window cleaner is 7% alcohol. How many ounces of the mixture is alcohol?

Click here to see answer by josmiceli(19441)

Question 795222: A tea merchant wants to make 30 pounds of a blend that he can sell for $4.80 per pound. The blend is made by mixing $6 per pound tea with a $4 per pound tea. How many pounds of each kind of tea should he use?
Click here to see answer by josgarithmetic(39617)

Question 795231: Sam bought 21 pounds of sugar for 21 dolars. How many pounds of sugar did he get per dollar? B) it takes 52 pounds of seed to completely plant an 8-acre field.how many acres can be planted per pound of seed?
Click here to see answer by Cromlix(4381)

Question 795330: A chemistry student needs 600 ml of a 6% solution. How much 10% and 4% solutions need to be mixed?
Click here to see answer by wilft1(217)

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