SOLUTION: How many cups of grapefruit juice must be added to 50 cups of a punch that is 6% grapefruit juice to obtain a punch that is 10% grapefruit juice?

Question 988893: How many cups of grapefruit juice must be added to 50 cups of a punch that is 6% grapefruit juice to obtain a punch that is 10% grapefruit juice?
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
50 cups punch, 6% grapefruit;
want mixture be 10% grapefruit;
how many cups grapefruit (juice)?
g, how many cups grapefruit juice to add.

You should understand the equation perfectly, otherwise THAT is how you need any help. If your understanding is good, then just solve for g.
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