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12 December, 21:16

a materials scientist has 56 pounds of a liquid. she uses most of the liquid to fill 7 beakers. The remaining liquid fill 1/9 of an 8th beaker. How many ponds of liquid is in one full beaker

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  1. 12 December, 21:25
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    7.875 pounds

    Step-by-step explanation:

    Assuming the beakers are the same size, and each beaker takes in x pounds.

    Then for seven beakers we have;

    x * 7 = 7x pounds

    For the eight beaker;

    1/9 * x = 1/9x pounds

    Therefore;

    7x + 1/9x = 56 pounds

    63x + x = 56 * 9

    64 x = 504

    x = 504/64

    = 7.875 pounds

    Therefore; one full beaker takes in 7.875 pounds when full
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