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OpenStudy (tt0860):
The length of a rectangle is 3 more than twice its width. The perimeter is 48 feet. What is the length and width of this rectangle? L = 8, W = 5 L = 6, W = 8 L = 17, W = 7 L = 16, W = 8
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OpenStudy (_mami_):
still need help??
OpenStudy (_mami_):
@tt0860
OpenStudy (tt0860):
yea
OpenStudy (tt0860):
@_Mami_
OpenStudy (_mami_):
okay so! First.. L=3+2w. p=48 So for length and width of a rectangle: p=2L+2W then.. 2L+3W=48 Make sense so far??
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OpenStudy (tt0860):
yes
OpenStudy (_mami_):
2*(3+2W)+2W=48 6+4W+2W=48 6+6W=48 6W=42 W=7
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