X=30 400+50 equals 450 so 450 divided by 15 is 30 reverse the operation
Answer:
1759725
Step-by-step explanation:
1 hour and 10 minutes = 70 total minutes
The aerobics class is 20 minutes and then since the yoga class is 30 minutes longer it will then be 50 minutes.
20 minutes aerobic+50 minutes yoga= 70 total minutes