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16 January, 12:10

In ten minutes a heart can beat 700 times. At this rate in how many minutes will a heart beat 140 times

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Answers (2)
  1. 16 January, 12:46
    0
    A heart will beat 140 times in two minutes
  2. 16 January, 13:26
    0
    You can do this with ratio method

    10 mins : 700 times

    x : 140 times

    cross multiply and then solve it algebraically

    such as 10 * 140 = 700x

    10*140/700 = x

    2 = x

    in 2 minutes the heart beat 140 times.
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