Question

Olve for? (Part 1)

Cool Down: A Rectangular Relationship
The perimeter of a rectangle is 48 centimeters. The relationship between the length, the
width, and the perimeter of the rectangle can be described with the
equation 2 length + 2 width = 48.
Find the length, in centimeters, if the width is:
1. 10 centimeters

2.3.6 centimeters

3. w centimeters

Answer 1

Question 1

`2l+2w=48 \\ \\ 2l+20=48 \\ \\ 2l=28 \\ \\ l=14\text{ cm}`

Question 2

`2l+7.2=48 \\ \\ 2l=40.8 \\ \\ l=20.4 \text{ cm}`

Question 3

`2l+2w=48 \\ \\ l+w=24 \\ \\ w=24-l`