SOLUTION: The perimeter of a rectangle is 150 cm. The length is 15 cm greater than the width. Find the dimensions.

Question 1160883: The perimeter of a rectangle is 150 cm. The length is 15 cm greater than the width. Find the dimensions.
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
perimeter of a rectangle is 150 cm.
2L + 2w = 150
simplify, divide by 2
L + w = 75
The length is 15 cm greater than the width.
L = w + 15
In L + w = 75, replace L with (w+15)
w + 15 + w = 75
2w = 75 - 15
2w = 60
/2
w = 30
then
L = 30 + 15
L = 45
Find the dimensions. 45 by 15
:
;
Check using perimeter
2(45) + 2(30) = 150
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