Scenario 18-1
Harry owns a snow-removal business. He hires workers to shovel driveways for him during the winter. The first worker he hires can shovel twelve driveways in one day. When Harry hires two workers, they can shovel a total of 22 driveways in one day. When Harry hires a third worker, he shovels an additional eight driveways in one day.
-Refer to Scenario 18-1. What is the total productivity of three workers?
A)12
B)22
C)30
D)42

Question

Quizplus · Accepted Answer

The total productivity of three workers is the sum of the driveways shoveled by each worker: 12 (first worker) + 10 (second worker, since 22 - 12 = 10) + 8 (third worker) = 30 driveways.

Scenario 18-1 Harry Owns a Snow-Removal Business. He Hires Workers to Shovel