PrincessKnay4982
27.01.2020 •
Mathematics
The length of a rectangular mailing is 3 centimeters less than twice the width. the perimeter is 60 centimeters. find the dimensions of the label.
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Ответ:
Width = 11 cm
Length = 19 cm
Step-by-step explanation:
We have;
The perimeter of the rectangle as 60 cm The length is 3 cm less than twice the widthAssuming the width is x cmThen, the length is (2x-3) cm
But, the perimeter of a rectangle is given by, 2(L+W)
Therefore;
P = 2(L+W)
60 cm = 2 ( x + (2x -3))
60 = 2 ( 3x - 3)
60 = 6x - 6
6x = 66
x = 11
2x - 3 = 19
Therefore;
Width = 11 cm
Length = 19 cm
Ответ: