SOLUTION: The width of a rectangle is 19 cm. Find all possible values for the length of the rectangle if the perimeter is at least 524 cm.

Algebra ->  Test -> SOLUTION: The width of a rectangle is 19 cm. Find all possible values for the length of the rectangle if the perimeter is at least 524 cm.      Log On


   

Question 675413: The width of a rectangle is 19 cm. Find all possible values for the length of the rectangle if the perimeter is at least 524 cm.
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
P = 2L + 2W

W = 19

P >= 524

2L + 2W >= 524

2L + 2(19) >= 524

2L + 38 >= 524

2L >= 524 - 38

2L >= 486

L >= 486/2

L >= 243

So if the perimeter is at least 524 cm, then the length is at least 243 cm.