SOLUTION: 1-HOW MUCH 5% ALCOHOL MUST BE MIXED WITH 10% ALCOHOL TO GET 2000ml OF 6% ALCOHOL? 2- HOW MUCH PURE ACID MUST BE MIXED WITH 50 LITERS OF 20% ACID TO GET 30% ACID?

Question 316085: 1-HOW MUCH 5% ALCOHOL MUST BE MIXED WITH 10% ALCOHOL TO GET 2000ml OF 6% ALCOHOL?
2- HOW MUCH PURE ACID MUST BE MIXED WITH 50 LITERS OF 20% ACID TO GET 30% ACID?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
(1)
Let = ml of 5% alcohol needed
Let = ml of 10% alcohol needed
given:
(1) ml

(2)
Multiply both sides of (1) by and
subtract from (2)
(2)
(1)

and, since
(1)

1600 ml of 5% alcohol and 400 ml of 10% alcohol must be mixed
RELATED QUESTIONS
How much 2% alcohol must be mixed with 10% alcohol to get 2000ml of 6%... (answered by Tatiana_Stebko,Alan3354)

How much 5% alcohol must be mixed with 10% alcohol to get 2000 ml of 6%... (answered by Fombitz)

How much 2% alcohol must be mixed with 10% alcohol to get 2000 ml of 8%... (answered by scott8148)

how much 2% alcohol must be mixed with 18% alcohol to get 4,000 ml of 3%... (answered by josmiceli)

1) How much pure acid must be added to 10 ounces of 40% pure acid to give a mixture of... (answered by josgarithmetic)

How much pure water must be mixed with 10 oz of a 60% alcohol solution to obtain 25%... (answered by ikleyn)

How much 12% alcohol solution must be mixed with 30% alcohol solution to get 60... (answered by checkley79)

How much pure water must be mixed with 12L of a 40% alcohol solution to obtain a 15%... (answered by ikleyn)

How much pure water must be mixed with 15 ounce of a 30% alcohol solution to obtain a 25% (answered by josmiceli)