ericaseleste8119 ericaseleste8119

10-03-2017
Mathematics

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There were 1125 books sold last week at Sid's Bookstore. The circle graph below summarizes these books by genre. The central angle for the Mystery slice is 100.8° . How many of the books sold were Mystery books?

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sarzpappas sarzpappas

10-03-2017

100.8/360 (to work out percentage of circle therefore percent of 1125 books)
= 0.28
= 28%

0.28 x 1125
= 315 books sold were Mystery books

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