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

User Yakov
by
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2 Answers

1 vote
A heart will beat 140 times in two minutes
User Kkudi
by
9.7k points
3 votes
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.

User Windbox
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8.0k points