SOLUTION: The length of a certain rectangle is 15cm more than three times its width. If the perimeter of the rectangle is 94cm, what is the area?

Question 726135: The length of a certain rectangle is 15cm more than three times its width. If the perimeter of the rectangle is 94cm, what is the area?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

The length of a certain rectangle is more than its width .
.....eq.1
If the perimeter of the rectangle is ,

what is the area
we know that , ...substitute from eq. 1 and use given value for
...solve for

now find
.....eq.1

now we can find the area

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