SOLUTION: you have 50 qrts of 30% acid solution, how much acid must you add to raise the solution to 40% acid.

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Question 914181: you have 50 qrts of 30% acid solution, how much acid must you add to raise the solution to 40% acid.
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
you have 50 qrts of 30% acid solution, how much acid must you add to raise the solution to 40% acid.
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let x=amt of acid to add
30%*50+100%x=40%(x+50
15+x=.40x+20
.60x=5
x=5/.60=
x=8 1/3 quarts