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29 April, 15:32

Two times the reciprocal of a number equals 40 times the reciprocal of 50. Find the number

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  1. 29 April, 15:56
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    Let us assign "x" to represent the number.

    Let us have 1/x to be reciprocal of a number.

    Then we have:

    2*1/x for the "two times the reciprocal of the number"

    2*1/x = 40 * 1/50 "two times the reciprocal of the number equals 40 times the reciprocal of 50"

    Find the number:

    2/x=40/50

    x = 2 (50) / 40

    x=2.5

    The number is 2.5.
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