Posted by Kim on Tuesday, April 9, 2013 at 1:04am.
A framed picture has length 50 cm and width 40 cm . The picture itself has area 1344 cm^2. How far is it from the edge of the picture to the edge of the frame if thid didtance is uniform around the picture ?

home work  Steve, Tuesday, April 9, 2013 at 12:02pm
if the width of the frame is w, the dimensions of the picture are 502w and 402w (subtract w on each side). So, since we know the area of the picture,
(502w)(402w) = 1344
w = 4
Check:
picture area is 32x42 = 1344

math  hashim, Monday, November 28, 2016 at 1:38pm
1325
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