If 10 percent of a number equals 30, find 40 percent of that number.

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If 10 percent of a number equals 30, find 40 percent of that number.

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Đan Thu 2 weeks 2021-07-22T08:44:30+00:00 1 Answers 6 views 0

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    2021-07-22T08:46:18+00:00

    The answer is 120
    To find the whole number given the fraction and the number by the fraction, you multiply the number by the reciprocal/inverse of the fraction.
    30 * 100/10= 300
    So the whole number is 300 and to find 40% just multiply
    300 * 40/100 = 120
    😀

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