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
.