Solve the problem.
-It takes 9 hours for 6 people to paint a house. How long will it take 3 people to do the job?
A) $4.5 \mathrm{hr}$
B) $18.9 \mathrm{hr}$
C) $5 \mathrm{hr}$
D) $18 \mathrm{hr}$

Question

Quizplus · Accepted Answer

The time it takes to complete a job is inversely proportional to the number of people working. If halving the workers (from 6 to 3), it doubles the time required, thus 9 hours * 2 = 18 hours.

Solve the Problem 4.5hr4.5 \mathrm{hr}4.5hr B) 18.9hr18.9 \mathrm{hr}18.9hr C) 5hr5 \mathrm{hr}5hr D) 18hr18 \mathrm{hr}18hr

Solve the Problem $4.5 \mathrm{hr}$ B) $18.9 \mathrm{hr}$ C) $5 \mathrm{hr}$ D) $18 \mathrm{hr}$