Rosafdoe Rosafdoe

25-08-2016
Mathematics

Answered

The perimeter of a rectangular house is 122fr the width is 5ft less than the length find the length and width

Verified Answer :

25-08-2016

Hello,

Let's w the width , l the length, p the perimeter.

w=l-5
p=2(l+w)=2(l+l-5)=4l-10

4l-10=122
==>4l=122+10
==>4l=132
==>l=132/4
==>l=33
So w=33-5=28

Proof:
2(33+28)=261=122

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strugglesofastudent strugglesofastudent

25-08-2016

Length x width is my suggestion

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