Question

Henry is choosing between two exercise routines. In Routine #1, he does only running, burning 15.5 calories per minute. In Routine #2, he burns 22 calories walking. He then runs at a rate that burns 13.3 calories per minute. For what amounts of time spent running will Routine #1 burn more calories than Routine #2?

Answer 1

11 minutes

Explanation:

So what I did above is that I used a table to calculate the calories burn for each minute. For example, let's say that Henry works out for 12 minutes using both routines

1 & 2 represents the Routines

1-12 represents the calories he burned per minute

(x represents calories burned per minute)