Posted by madison on Thursday, March 25, 2010 at 9:32pm.
out of 100 houses
67-13 = 54 have only garage
13 have garage and patio
32 -13 = 19 have only patio
by the way 100 -54 -13 -19 = 14 have neither
That 13 in the intersection is our solution with both and that is 13 out of the 67 who have garages.
so 13/67
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