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Mathematics 19 Online
OpenStudy (anonymous):

the pitch of a roof ( the ratio of rise to run of the rafters is 1/3). Find the rise of the roof if the horizontal run is 15 3/4 feet

OpenStudy (anonymous):

1 x - = - 3 15 3/4 ft cross multiply 1*15 3/4 = 3x (15 3/4)/3 = 3x/3 5.25 ft |dw:1346126186744:dw|

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