How to find the inequality?

Question

The lenght of a rectangle is 3.5 centimeters more that its width. The perimeter of the rectangle is less than 30 centimetets. Write an inequality that can be used to find one possible measure for the width.

Answer 1

w represents the width

w + 3.5 represents the length

 

2(w + w + 3.5) < 30

4w + 7 < 30

4w < 23

w < 5.75