Asked by Anonymous

If 800 mL of a juice drink is 15% grape juice, how much grape juice should be added to make a drink that is 20% grape juice? Use the table below to help.
Answered by bobpursley
Hmmmm.

Let V bet the volume added.

(800ml+V).2=800*.15+V

solve for V.
Answered by James Korah
50mL
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