Asked by Anonymous

a chemist wants to mix a 22 acid solution with a 46% acid solution to get 32 gallons of 37% acid solution. How many gallons of the 22% acid solution and how many gallons of the 46% acid solution should be mixed?
Answered by Steve
just add up all the acid:

.22x + .46(32-x) = .37*32
Answered by Anonymous
A chemist needs to mix up 80 gallons of a 60% acid solution. She only has 45% and 70% solutions on hand.
How many gallons of each should she mix together?
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