BigGirlsTheBest
18.10.2019 •
Mathematics
Awindow-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
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Ответ:
If window washing crew can finish 10 windows per hour. Let;s solve how many hours will it take him to finish 200 windows.
=> 200 / 10 = 20 hours,
Ответ: