Math, asked by Anonymous, 5 months ago

twelve people can clean an office buldings in 3 hours . how long would it take by 4 people

Answers

Answered by LionelMessi971011

4

Answer:

9 hours

Step-by-step explanation:

Since 12/3 = 4, we have to multiply the number of hours by 3. 3 x 3 = 9.

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