selenaella selenaella

14-12-2017
Mathematics

contestada

Michael has 40 feet of fencing to make a rectangular dog run for his dog, Buddy. One side of the run will be 5 feet long. How long will the other side be?
A.20 feet
B.15 feet
C.10 feet
D.8 feet

Respuesta :

texaschic101 texaschic101

14-12-2017

P = 2(L + W) ....this is the perimeter of a rectangle
P = 40
L = 5

40 = 2(5 + W)
40 = 10 + 2W
40 - 10 = 2W
30 = 2W
30/2 = W
15 = W <=== ur answer is 15 ft

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