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the length of a rectangle is 4 less than 3 times the width. if the perimeter is 40, find the dimensions of the rectangle.

2 Answers

5 votes
28+12=40 hope this works 
User Dehart
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6.0k points
3 votes
The length would be 14.
because 4 less than 3 times the width and the perimeter being 40 you would divide 40 by 2 and you get 20.
4 less than 20 would be 16 but that would make the length equal to the width, therefore, your answer is 14.
User Jim Lewis
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6.2k points