SOLUTION: In a square, the sum of the lengths of three sides is 45 and in a rectangle the difference between a length and a width is 5 in. If a width of the rectangle is the same as a sid

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Question 560041:
In a square, the sum of the lengths of three sides is 45 and in a rectangle the difference between a length and a width is 5 in. If a width of the rectangle is the same as a side of the square, how long is a length of the rectangle?

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Call a side of the square +s+
given:
+3s+=+45+
+s+=+15+
The width of a rectangle is +s+=+15+
Call the length a
+a+-+15+=+5+
+a+=+20+
The length is 20