SOLUTION: A classroom bulletin board is 7 feet by 4 feet. If there is a picture every 6 inches along the edge, including one in each corner, how many pictures are on the bulletin board?
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Question 897916: A classroom bulletin board is 7 feet by 4 feet. If there is a picture every 6 inches along the edge, including one in each corner, how many pictures are on the bulletin board?
The answer book says 40
I say the answer is 44
what do you say???
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
7 feet = 84 inches.
Starting with one corner and then going every 6 inches in that direction gives you 15 pictures along that edge.
With top and bottom edge that gives you 30 pictures.
4 feet = 48 inches.
Starting with one corner and then going every 6 inches in that direction gives you 9 pictures along that edge. However you already counted the first and last picture since they lie on the top and bottom edges so subtract 2, leaving 7 along the left and right edges.
That's what I get too.
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