44。100 kilos fresh fruit,99% is water. After dried, 98% is water, if the weight of fruit didn't change, what's the total weight of the dried fruit? [50]
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搬到这里可能好点。
weight of fruit =100-99=1,他是不变的。
晒干后,weight of fruit =1占干果的2%,则total weight of the dried fruit=1/2%=50
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