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OpenStudy (anonymous):
The length of a rectangle is 2 more than 3 times the width. If the perimeter is 100 meters, what is the width of the rectangle?
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OpenStudy (anonymous):
\[l=2+3w.......(1)\] \[P=2(l+w)=2l+2w=100\] \[l+w=50\] substitute (1) \[2+3w+w=50\] \[4w=48\] \[w=12\]
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