the length of a rectangle is equal

Question

length of rectangle is equal to triple the width. write a system of linear equations to find the dimensions of the rectangle if the perimeter is 75cm

Answer 1

Hi Ali,

 

Let's look at this sentence by sentence.

 

L = 3W

2L + 2W = 75

 

or

 

  L -  3W = 0

2L + 2W = 75

Answer 2

8 w = 75

 

w = 75 / 8 cm

 

L = 225 / 8 cm

 

The length of the rectangle is 28 1/8 cm and the width is 9 3/8 cm.