Homework Help: direct an inverse variation

Posted by Anonymous on Wednesday, October 10, 2012 at 2:08pm.

The number of books checked out from the library varies directly with the number of book reports assigned. There were 3375 books checked out when there were 225 book reports assigned.

How many book reports have been assigned if there are 13,500 books

direct an inverse variation - Steve, Wednesday, October 10, 2012 at 2:19pm
c = checked out
r = reports

c = kr
3375 = k*225
k = 15
----------------------
13500 = 15r
r = 900

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