The first three rooms took a four-person crew a total of 9 hours to paint.If the learning curve rate is 85%,how long will it take them to paint all 20 rooms in stately Wayne manor?
A)less than 20 hours
B)between 20 and 30 hours
C)between 31 and 40 hours
D)more than 40 hours

Question

Quizplus · Accepted Answer

The learning curve rate of 85% means each subsequent room takes 85% of the time of the previous one. The time decreases, but with 20 rooms, the cumulative time will exceed 40 hours.

The First Three Rooms Took a Four-Person Crew a Total