Posted by Anonymous on Monday, August 23, 2010 at 6:12pm.
The length of a certain rectangle is 4 meters more than three times its width. If the perimeter of the rectangle is 56 meters, then the width of the rectangle is

geometry  Reiny, Monday, August 23, 2010 at 6:28pm
width ... x m
length ... 3x+4
solve 2(x + 3x+4) = 56

geometry  Anonymous, Tuesday, August 24, 2010 at 9:54pm
x+3x+4=56/2
4x+4=28
4x=284
4x=24
x=6

geometry  Anonymous, Tuesday, August 24, 2010 at 9:58pm
x+3x+4=56/2
4x+4=28
4x=284
4x=24
x=6
length=3x+4
=3x6+4
=18+4
=22
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