Dimensions of rectangle

Find the dimensions of a rectangle, given that its perimeter is 110 cm. Its length is 1 cm, more than twice its width.

Correct answer:

a =  37 cm
b =  18 cm

Step-by-step explanation:

p=110 cm  p=2 (a+b) a=1+2 b 110=2 (a+b) a=1+2 b  2a+2b=110 a2b=1  Row221 Row1Row2 2a+2b=110 3b=54  b=354=18 a=21102b=21102 18=37  a=37 b=18

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