Question

In 10 minutes, a heart can beat 700 times. At this rate, in how many minutes will a heart beat 140 time? At what rate can a heart beat?

Answer 1

In 10 Minutes, A heart can beat 700 times:

At the rate of 700, how many minutes will a heart beat 140 times;

Equation:  

10 beats per minute divide by 700 ======>  1 / 70 ======> ((Decimal: 0.014286).

Then, Divide the  1 / 70 / 140  ======>  2  mins heart rate beat 140 times

Solve or Show work:

10 / 700  =   1 / 70   (Decimal: 0.014286)  

1 / 70 / 140

( 1 ) / ( 1 ) ( 140 ) / ( 70 )

( 1 ) / ( 1 ) ( 2 ) / ( 1 )

(1)/(1) (2)/(1)

Answer =========>    2  Therefore, It will take 2 minutes for the heart rate to beat 140 times.

Hope that helps!!!!!!!!!!!!!                                                : )