8 days
Explanation:
- Day 1: 20 minutes
- Day 2: Rest day
- Day 3: 30 minutes
- Day 4: Rest day
- Day 5: 40 minutes
- Day 6: Rest day
- Day 7: 50 minutes
- Day 8: Rest day
- Day 9: 60 minutes
So it will take Jane 8 days to build her exercise program up to an hour in length.
Solve the problem.
The first time Jane went to the fitness center, she exercised for 20 minutes. She adds 10 minutes to her exercise program every other day after that. How many days will it take Jane to build her exercise program up to an hour in length?
Blank Space__________days
1 answer