Grapes and Raisins
Level
pending
Grapes contain 80% water while Raisins contain 20%. Sam bought 80 kg Grapes from the market. How much Raisin will he get?
The answer is 20.
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1 solution
In 80kg of grapes there is 20 percent matter or 16 kg. therefore there are 16 kg of matter in the raisins and this represent 80 percent of the raisin weight. Therefore, the total weight of raisins which includes 20 percent water is 16 /0.8= 20