alex usually runs for 21 hours a week training for a marathon. if he is unable to run for 3 days describe how to find out how many hours of training time he looses and write the appropriate integer to describe how it affects his time.

Respuesta :

It would be 7 hours that is lost
He would lose 9 hours within 3 days.
21 divided by 7 = 3
3 x 3 = 9 Hours