Question

In 10 minutes, a heart can beat 700 times. At this rate, in how many minutes? At what rate can a heart beat? please help due like in 10 minutes... Show me the work thanks!

Answer 1

700/10 = 140/x 
700x = 1400 
x= 2
in other words..

700 divided by 10 = 140 divided by x 
700 times x = 1400 
x = 2