Ivanna is choosing between two exercise routines.

In Routine #1, she burns47

calories walking. She then runs at a rate that burns13.9

calories per minute.

In Routine #2, she burns24

calories walking. She then runs at a rate that burns18.5

calories per minute.

For what amounts of time spent running will Routine #1 burn fewercaloriesthan Routine #2?

Uset

for the number of minutes spent running, and solve yourinequalityfort

.