SOLUTION: The length of a book is 15mm less than twice its width and the perimeter is 414mm,what are the dimensions of the book?
Algebra.Com
Question 321695: The length of a book is 15mm less than twice its width and the perimeter is 414mm,what are the dimensions of the book?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
The perimeter of a rectangle is given by:
Let 
represent the width of the book. Then the length of the book must be 
, all measurements in millimeters.
So:
\ +\ 2\omega\ =\ 414)
Solve for
John
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