Which Individual's Activity Had the Highest Calorie Cost?​

Which individual's activity had the highest calorie cost?​

A) Sara,who weighs 145 lb and did step aerobics (0.062 cal/lb/min) for 35 minutes
B) Ben,who weighs 180 lb and walked on the treadmill (0.048 cal/lb/min) for 25 minutes​
C) ​Mary,who weighs 120 lb and rode her bike (0.076 cal/lb/min) for 20 minutes
D) ​Andrew,who weighs 163 lb and swam (0.058 cal/lb/min) for 30 minutes
E) ​Kia,who weighs 185lb and ran on the treadmill (0.061cal/lb/min) for 25 minutes