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22 May, 17:59

John spent 2/3 of his money on a pen and a calculator. The calculator cost 3 times as much as the pen. if the calculator cost $24, how much money did he have left?

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Answers (2)
  1. 22 May, 18:24
    0
    C=3 times p

    c=3p

    c=24

    24=3p

    divide both sides by 3

    8=p

    2/3 of money=c+p

    2/3 of money=24+8

    2/3 of money=32

    how much he had left

    all-2/3=1/3

    so

    2/3 of money = 32

    divide both sides by 2

    1/3 of money=16

    he had $16 left
  2. 22 May, 19:57
    0
    24 calculator 8 pens so 32 all together he had 16 dollars left because the fraction is 32/48 equals 2/3
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