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blagie [28]
3 years ago
14

The length of the rectangle is 10cm less than 4 times the width. If the perimeter is 1.3m, find the dimensions of the rectangle.

Mathematics
1 answer:
nadya68 [22]3 years ago
5 0

Express your length and width as algebraic expressions:

width = x

length = 4x

Use the formula for the perimeter of a rectangle to solve for x:

perimeter = 2(length) + 2(width)

50 = 2(4x) + 2(x)

50 = 8x + 2x

50 = 10x

5 = x

The width (x) is 5 feet and the length (4x) is 20 feet.


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