Charlie is choosing between two exercise routines.

In Routine #1, he does only running, burning

18.5

calories per minute.

In Routine #2, he burns

22

calories walking. He then runs at a rate that burns

16.3

calories per minute.

For what amounts of time spent running will Routine #1 burn at least as many calories as Routine #2?

Use

t

for the number of minutes spent running, and solve your inequality for

t

.