if it takes a secretary to type 20 minutes to type 4 pages,how many pages can he type in 45 minutes
a.set up the proportion
b.solution
c.answer
can you help me?
a.set up the proportion
b.solution
c.answer
can you help me?
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a. 20 : 4 : 45 : _
b. 20 minutes divided by 4 pages = 5 minutes per 1 page
45 minutes divided by 5 minutes = 9 pages
c. a secretary can type 9 pages in 45 minutes.
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