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30 December, 22:51

Bob can draw 14 shapes in 7 minutes. How long does it take for bob to draw 28 shapes at the same rate?

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Answers (2)
  1. 30 December, 23:09
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    14/7 = 28/y

    since 14 x 2 = 28, 7 x 2 = y

    7 x 2 = 14

    so, Bob will take 14 minutes to draw 28 shapes
  2. 30 December, 23:11
    0
    If 14 shapes take 7 mins, let x be the time it takes to draw 28 shapes

    7/14 = x/28

    x = (7/14) (28)

    = 14

    Therefore, 28 shapes in 14 minutes.
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