SOLUTION: how many cups of orange juice must be added to 50 cups of punch that is 10% orange juice to obtain a punch that is 20% orange juice?
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Question 799226: how many cups of orange juice must be added to 50 cups of punch that is 10% orange juice to obtain a punch that is 20% orange juice?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = cups of o.j. to be added
cups of o.j. in 50 cups of punch
-------------------
6.25 cups of o.j. must be added
check:
OK
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