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OpenStudy (anonymous):
@Hero 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 http://static.k12.com/calms_media/media/1418000_1418500/1418042/1/6d8f1fa5ec022d6d917dc98901e246fe5d5ec781/FGA_130919_161131.jpg
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OpenStudy (anonymous):
HELP PLEASE @Ivanskodje
OpenStudy (anonymous):
@satellite73
OpenStudy (anonymous):
HELP
OpenStudy (anonymous):
@zepdrix
hero (hero):
Are you taking a test right now?
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OpenStudy (anonymous):
@hero
OpenStudy (anonymous):
this is home work please help
hero (hero):
Let x = how many hours it takes the crew to complete windows: \[200 = 10x\]
OpenStudy (anonymous):
@Hero it is 20
hero (hero):
Yes correct
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