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8 April, 12:30

The human body is 72 percent water in average. About how much water will be in a person that weighs 138 pounds?

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  1. 8 April, 12:45
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    Simply get the value of 72 percent out of 138 pounds.

    138 * 72% = 9926 / 100% = 99.36 lbs

    We need to divide the answer by 100% if 72% is not converted into decimal to ensure that we get the exact value in pounds.

    or

    138 * 72%/100% = 138 * 0.72 = 99.36 lbs

    If in the event that 99.36 lbs and 72% is given, we can find the weight of the person by dividing the value by its corresponding percentage.

    99.36lbs / (72%/100%) = 99.36 / 0.72 = 138 lbs

    If both values are given and percentage is missing, then divide the part by the whole to get the percentage.

    99.36 lbs / 138 lbs = 0.72 * 100 % = 72%
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