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MathematicsMathematics
6 August, 09:36

4 gumballs cost $1.00. how much do 20 gumballs cost?

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Answers (2)
  1. 6 August, 12:47
    0
    The answer is $5.00

    Step-by-step explanation:

    If 4 gumballs cost $1.00

    20gumballs cost $y

    Cross multiply

    4y=1*20

    4y=20

    Divide both sides by 4

    y=5

    Therefore, 20 gumballs cost #5.00
  2. 6 August, 12:56
    0
    4/1.00 = 20 / x cross multiply to get: 4x = 20 solve for x to get 5.00

    4 / 100 = 12 / x Cross multiply and divide to get 4x = 1200. x = 300Step-
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