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30 January, 06:49

a basketball and a pump costs 31 dollars. if the basketball costs three times as much as the pump, how much does each item cost?

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  1. 30 January, 07:16
    0
    basketball = 7.75 dollar

    pump = 23.25 dollar

    Step-by-step explanation:

    basketball and a pump costs = b + p = 31 dollars

    Assume that;

    basketball = b

    pump = p

    Given that;

    basketball costs three times as much as the pump

    3b = p

    Put value of p in total cost equation:

    b + p = 31

    b + 3b = 31

    b = 31/4 = 7.75

    Put value of b in same equation

    b + p = 31

    p = 31 - 31/4

    = 93/4 = 23.25
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