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The length of a rectangle is 3cm greater then it's width. The perimeter is 24cm. Find the dimensions of the rectangle.

The length of a rectangle is 3cm greater then it's width. The perimeter is 24cm. Find the dimensions of the rectangle.
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the length of a rectangle is 3cm greater then it's width. The perimeter is 24cm. Find the dimensions of the rectangle.

the length of a rectangle is 3cm greater then it's width. The perimeter is 24cm. Find-example-1
User Jatlin
by
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2 Answers

3 votes
length is 15 while width is 9
User Christie
by
8.2k points
6 votes
The perimeter formula is 2 times length plus 2 times width.
2(x+3)+2(x)=24
Distribute.
2x+6+2x=24
4x+6=24
Subtract 6 from both sides.
4x=18
x=2
So the length is 5 and the width is 2
User Octano
by
7.9k points
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