SOLUTION: how many quarts of 30% soap solution and 60% soap solution should be mixed to obtain 60 quarts of 50 % soap solution?
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Question 292646: how many quarts of 30% soap solution and 60% soap solution should be mixed to obtain 60 quarts of 50 % soap solution? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! In words:
(total quarts of soap)/(total quarts of solution) = 50%
Let = quarts of 30% solution
Let = quarts of 60% solution
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given:
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By substitution:
and, since
20 quarts of 30% solution and 40 quarts of 60% solution are needed
check:
OK
