SOLUTION: How many liters of a 30% alcohol solution should be added to 40 litres of a 60% alcohol solution to prepare a 50% solution?

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Question 757499: How many liters of a 30% alcohol solution should be added to 40 litres of a 60% alcohol solution to prepare a 50% solution?

Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!
VARIABLES
L=30%
H=60%
T=50%
u=unknown amount of the 30% alcohol
v=40 liters of the 60% alcohol

Solve for u.







Substitute the known given values to find the value for u.

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