A letter carrier can deliver mail to 112 homes per hour by walking and 168 homes per hour by driving. By what percent is productivity increased by driving?

Question

Answer: 56%

Is my answer correct?

Answer 1

168 - 112 = 56

56/112 = 0.5 = 50%

Answer 2

Productivity is increased by 50% by driving. Solution: 168 - 112 = 56, 56/112 = 0.5 = 50%.