polenech polenech

09-04-2015
Mathematics

Answered

find the length and width of a rectangular lot with a perimeter of 68m if the length is 6m more than the width

Verified Answer :

09-04-2015

\(l=w+6\)
\(P=2(l+w)=68\)
\(P=2((w+6)+w)=2(2w+6)=4w+12=68\)
\(4w=56 \\ w=14\)
\(l=w+6=14+6=20\)

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