Question

A scientist needs 60 liters of a 40% solution of alcohol.He has a 30% solution and a 60% solution available.How many liters of the 30% solution and how many liters of the 60% solution should he mix to make the 40% solution?

Answer 1

He should mix 25 liters of the 30% solution, and 35 liters of 60% solution.

Explanation: