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Mathematics 21 Online
OpenStudy (anonymous):

WILL FAN AND MEDAL IF HELP A window-washing crew can wash 10 windows per hour. How long will it take the crew to complete a building with 200 windows? A. 20 h B. 10 h C. 5 h D. 2 h

OpenStudy (anonymous):

OpenStudy (anonymous):

A, 20

OpenStudy (anonymous):

thx

OpenStudy (anonymous):

Find the unit rate, and then use it to solve the problem. Some students washed 24 cars in 2 hours. How many cars can they wash in 15 hours? A. 12 B. 48 C. 180 D. 360

OpenStudy (anonymous):

c, 180

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