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Grapes are 80% water (by weight) and raisins are 20% water (by weight). If we start with 500 grams of grapes and remove enough water to turn them into raisins, then what is the weight of the raisins?

 Jul 25, 2020
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from 80 to 20 is a reduction of 3/4  ......or   only 1/4 of the original remains

500 x 1/4 = 125 gm of raisins

 Jul 25, 2020

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