Percent mass after dehydration?

99% of the mass of a watermelon is water. After the watermelon was lying in the sun it dried up some, and now contains only 98% water. By how many percent has the total mass of the watermelon decreased?

Thank you ☺

1 Answer

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  • M3
    Lv 7
    7 years ago
    Favourite answer

    the "non-water" part which was previously 1% has now become 2%

    which with a little thought will tell that total mass must have become 1/2 or 50%

    ans: 50% decrease

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