The number of hours it takes to paint a house is inversely proportional to the number of people painting. If it takes 4 workers 12.5 hours to paint a certain house, how long would it take 6 Workers? Round to one tenth of an hour.
A) 10.5 hours
B) 25.0 hours
C) 14.5 hours
D) 8.3 hours

Question

Quizplus · Accepted Answer

The time taken is inversely proportional to the number of workers. So, if 4 workers take 12.5 hours, then 6 workers would take (4 * 12.5) / 6 = 8.3 hours.

The Number of Hours It Takes to Paint a House