SOLUTION: 5 quart solution of 30% antifreeze plus how many quarts of 100% antifreeze to get a 40% antifreeze solution?

Question 779613: 5 quart solution of 30% antifreeze plus how many quarts of 100% antifreeze to get a 40% antifreeze solution?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
quarts of antifreeze in 30% solution
Let = quarts of pure antifreeze to be added
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5/6 of a quart of 100% antifreeze must be added
check:

OK
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