SOLUTION: A scientist has acid solutions with concentrations of 4% and 15%. He wants to mix some of each solution to get 44 milliliters of solution with a 12% concentration. How many millili

Question 1096956: A scientist has acid solutions with concentrations of 4% and 15%. He wants to mix some of each solution to get 44 milliliters of solution with a 12% concentration. How many milliliters of each solution does he need to mix together?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Let be the amount of 4% solution.
Let be the amount of 15% solution.
1. Total volume.
.
.
2. Total concentration.
Multiply eq.1 by 4 and subtract from eq. 2,

Solve for Y then use either equation to solve for X.
RELATED QUESTIONS
A scientist wants a 90-ounce acid solution with a concentration of 12%. She has... (answered by josgarithmetic)

A chemist has 2% acid solution and an 8% acid solution. he wants to mix the solutions to... (answered by jorel1380)

A chemist wants to make 200ml of an acid solution with a concentration of 48%. He wants... (answered by josgarithmetic)

Nicolas mixes three solutions of acid with concentrations of 10%, 15%, and 5%. He wants... (answered by josgarithmetic,MathTherapy)

a chemist wants to mix 20% acid solution with a 44% acid solution to get 24 L of a 29%... (answered by stanbon)

jack wants to mix a 70% acid solution with 20% acid solution to get 80 liters of 50%... (answered by josgarithmetic)

Jack wants to mix a 70% acid solution with 20% acid solution to get 80 L of 50% solution... (answered by norymae)

a chemist has a 2% acid soluton and an 8% acid solutons. he wants to mix the solutons to... (answered by josgarithmetic)

a chemist has 6% and 15% solutions of acid his muvh of each solution should she mix to... (answered by Alan3354)