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Homework Statement
Fresh grapes contain 80% water by weight, whereas dried grapes contain 15% water. How many pounds of dried grapes can be obtained from 34 pounds of fresh grapes?
Homework Equations
anything you can create!
The Attempt at a Solution
To make a regular grape a dried grape, 65% of its water weight must be deducted
waterweight of 34lbs of grapes = 34*.8 = 27.2
65% of 27.2 = 17.68
34 - 17.68 = 16.32lbs
but it says that this is wrong, where is the fault in my logic?