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26 October, 10:24

A cookbook cost 3 times as a storybook. A cookbook and 4 storybook cost $112. How much did a storybook cost?

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Answers (2)
  1. 26 October, 10:45
    0
    Cost of storybook is $16

    Step-by-step explanation:

    Let's assume that the Cost of storybook = 'x'

    If the cost of the cookbook is 3 times the cost of storybook then the cost of the cookbook will be '3x'

    The cost of 1 cookbook and 4 storybooks = $112

    The cost of cookbook and storybook can be calculated by the equation:

    3x+4x=112

    7x=112

    Divide both sides by 7 to isolate x:

    7x/7=112/7

    x=16

    Therefore, the cost of storybook is $16
  2. 26 October, 13:05
    0
    1c+4s=112

    1c=3s

    3s+4s=112

    7s=112

    Storybook = $16
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