Perimeter of a rectangle

If the perimeter of a rectangle is 114 meters and the length is twice the width plus 6 meters, what are the length and width?

Correct answer:

a =  40 m
b =  17 m

Step-by-step explanation:

2(a+b)=114 a=2b+6  2 (a+b)=114 a=2 b+6  2a+2b=114 a2b=6  Row221 Row1Row2 2a+2b=114 3b=51  b=351=17 a=21142b=21142 17=40  a=40 b=17



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