How long will it take a crew to clean a building with 78 windows if they clean 26 windows an hour?

3 Hours

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2.5 Hours

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3.5 Hours

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4 Hours

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Solution

The correct option is A
3 Hours

Suppose that time taken to clean 78 windows be x hours

x = $\frac{78}{26}$ = 3 hours

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How long will it take a crew to clean a building with 78 windows if they clean 26 windows an hour?

The correct option is A 3 Hours Suppose that time taken to clean 78 windows be x hours x = 7826 = 3 hours

The correct option is A
3 Hours

Suppose that time taken to clean 78 windows be x hours

x = $\frac{78}{26}$ = 3 hours