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Harlamova29_29 [7]
3 years ago
12

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

Mathematics
2 answers:
denpristay [2]3 years ago
8 0
A heart will beat 140 times in two minutes
Ghella [55]3 years ago
4 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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3 years ago
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ahrayia [7]

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7 0
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