What is the equation/solution to this word problem?

Algebra
Tutor: None Selected Time limit: 1 Day

A chemist wants to create a solution that is 36% acid. How many liters of a 60% acid solution must be aded to 30 liters of a 13% acid solution to obtain this 36% acid mixture?

May 21st, 2015

%2860%2Ax%2B13%2A30%29%2F%28x%2B30%29=36 

60x+390=36x+1080

24x=690

x=28.75 L

May 21st, 2015

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