Cutelydiasmart Cutelydiasmart

19-01-2017
Mathematics

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Greg build the built the picture frame shown to the right. It has a perimeter of 50 2/4 inches. How wide is the picture frame?

Greg build the built the picture frame shown to the right It has a perimeter of 50 24 inches How wide is the picture frame class=

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jlomonte jlomonte

19-01-2017

The Perimeter = the distance around the frame. Therefore P=w+w+l+l
or P= 2w+2l
We are given l=15 1/4 and P= 50 2/4
Therefore 50 2/4 = 2w + 2(15 1/4)
50 2/4 = 2w + 30 2/4
Solve for w:
50 2/4 - 30 2/4 = 2w + 30 2/4 - 30 2/4
20 = 2w
20/2 = 2w/2
10 = w

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