Question

When Marisol is resting her heart beats 70 times per minute.When Marisol is jogging, her heart beats 150 times per minute. During a half of hour of jogging, Marisol's heart beats how many more times than it would if she were resting?

Thanks!

Answer 1

in 1 hour ther are 60 minute so

1/2 hour=30 minutes

so 30 times 70=resting beats per 1/2 hour=2100

then 150 times 30=jogging beats per minute=4500
subtract

4500-2100=2400

it beat 2400 more times