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MrRa [10]
3 years ago
8

The width of a rectangle is the length minus 3 units. The area of the rectangle is 40 units. What is the width, in units, of the

rectangle?
Mathematics
1 answer:
marusya05 [52]3 years ago
5 0

Width of the rectangle is 5 units

<u>Explanation:</u>

Let length (l) = l units

Given,

width (b) = l-3 units

Area of rectangle = 40 units

We know,

Area of rectangle = l X b

40= l(l-3)\\40=l^{2} - 3l\\l^{2} - 3l -40=0\\l=8units

If l = 8 units then, b = 8-3 units

b = 5 units

Therefore, width of the rectangle is 5 units.

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