3 years ago

The length of a rectangular room is 5 feet more than its width. The perimeter of the room is

Mathematics

1 answer:

Roman55 [17]3 years ago

5 0

Answer:

$\displaystyle 39 = W \\ 44 = L$

Step-by-step explanation:

{L = W + 5

{166 = 2L + 2W

166 = 2[W + 5] + 2W

166 = 2W + 10 + 2W

166 = 10 + 4W

- 10 - 10

___________

$\displaystyle \frac{156}{4} = \frac{4W}{4}$

$\displaystyle 39 = W$ [Plug this back into both equations above to get the length of 44 feet; $\displaystyle 44 = L$

I am joyous to assist you anytime.

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