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3 May, 02:45

2 balls can complete a full rotation in 120 minutes. How many balls can complete a full rotation in 180 minutes

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Answers (2)
  1. 3 May, 04:33
    0
    2 balls ... 120 minutes

    x balls = ? ... 180 minutes

    If you would like to know how many balls can complete a full rotation in 180 minutes, you can calculate this using the following steps:

    2 * 180 = 120 * x / 120

    x = 2 * 180 / 120

    x = 3 balls

    The correct result would be 3 balls.
  2. 3 May, 04:50
    0
    We need to find a unit rate. A unit rate determines how much per something.

    2 balls in 120 minutes

    Set up a proportion

    2/120 = x/180

    x is the value we need to solve for.

    Cross multiply

    2*180 = 120x

    360 = 120x

    120x/120 = 360/120

    x = 3

    Our answer is that 3 balls can complete a full rotation in 180 minutes

    Final answer: 3 balls can complete a full rotation in 180 minutes.
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