SOLUTION: A bulletin board measures 45 feet wide and 18 feet high. Eight posters measuring 2 1/2 feet wide and 3 1/4 feet high are placed on the bulletin board as well as a border covering a

Question 1132608: A bulletin board measures 45 feet wide and 18 feet high. Eight posters measuring 2 1/2 feet wide and 3 1/4 feet high are placed on the bulletin board as well as a border covering a total area of 25 feet squared. What fraction of the bulletin board is still available for to the items?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
each poster has area 2.5*3.25 ft^2=8.125 ft^2
Eight of them are 65 ft^2
the border is another 25 ft^2
the whole area is 45*18 or 810 ft^2
so the fraction still available is 810-90=720 ft^2/810 ft^2 or 8/9 or 88.9% available
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