How long would it take six people to clean the office?

It takes eight people 12 hours to clean an office.

How long would it take six people to clean the office?
A . 9 hours
B . 15 hours
C . 16 hours
D . 18 hours
E . 24 hours

Answer: C

Explanation:

There is an inverse relationship between the number of people and the time needed to clean the office. Multiply the number of people by the hours needed to clean the office: 8 × 1 2 = 96. Divide the total number of hours by the new number of people, 6: 96 ÷ 6 = 16. It takes six people 16 hours to clean the office.

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