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OpenStudy (anonymous):
A watermelon composed of 99% of water, weighted 10kg. After a while, some of water evaporated, leaving the watermelon composed of 98% of water. What is the new weight of water-melon?
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OpenStudy (anonymous):
9kg?
OpenStudy (anonymous):
99/10 = 98/x (99% to 10 kg = 98% to x kg) cross multiply 99x = 980 x = 980/99 x = 9.89 = 9.9 kg I am not 100% sure on this...you will need a second opinion
OpenStudy (dumbcow):
i concur
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