SOLUTION: The width of a rectangle is three inches more then one forth of its length. If the perimeter is 46, what are the demensions?

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Question 828573: The width of a rectangle is three inches more then one forth of its length. If the perimeter is 46, what are the demensions?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
x for length, w for width.

w=3%2B%281%2F4%29x, according to the description.

Perimeter, 2x%2B2w=46;
x%2Bw=23
x%2B%283%2B%281%2F4%29x%29=23
x%2Bx%2F4%2B3=23
x%281%2B1%2F4%29=20
x%285%2F4%29=20
highlight%28x=16%29

What is w?
w=3+16/4=7