An Athlete Has a Basal Metabolic Rate of 70

Multiple Choice

An athlete has a basal metabolic rate of 70.0 W. As she is working out, her metabolic rate increases by about 600 W. She eats one piece of buttered toast for breakfast, which has 145 Calories. She wants to work off the piece of toast.
-How long will it take if she works out?

A) 0.228 min
B) 13.7 min
C) 15.1 min
D) 0.252 min