Jackie wants to burn 2000 calories in one week she can burn 250 calories per hour doing aerobics. How many hours should Jackie do aerobics that week

8 hours

Step-by-step explanation:

If Jackie wants to burn 2000 calories in one week but only burns 250 calories per hour

then, to solve how many hours you have to divide

2000/250 = 8

therefor Jackie has to do aerobics for 8 hours that week to burn 2000 calories