Question

Goran is choosing between two exercise routines.

In Routine #1, he burns 25 calories walking. He then runs at a rate that burns15 calories per minute.
In Routine #2, he burns 37 calories walking. He then runs at a rate that burns 11 calories per minute.
For what amounts of time spent running will Routine #1 burn fewer calories than Routine #2? Use for the number of minutes spent running, and solve your inequality for .