mikeysoulemison
10.12.2020 •
Mathematics
The perimeter of a rectangle is 80 inches. The length of the rectangle is three times its width. How wide is the rectangle?
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Ответ:
The width is 10 inches.
Step-by-step explanation: Perimeter = 2(w + L)
the length is 3 times width, so substitute 3w for L in the equation.
2(w +3w) = 80
2(4w) =80
8w = 80
w = 10
the Length would be 3(10) = 30 inches
Ответ:
21$
Step-by-step explanation: