Please show me how to solve:

The length of a rectangle is 3 times the width. The perimeter is 44 cm. What are the dimensions of the rectangle?

2 answers

x+x+3x+3x=44

8x=44

x=5.5

L=3x=16.5cm

W=x=5.5cm
width ---- x
length ---- 3x

2(x) + 2(3x) = 44
the rest is easy.