Asked by Joanne
a book cover has the length and width (in inches). top 31-b, bottom 2+a+2b,sides 3a - b and 2+a+2b,find the values of a and b? Find the perimeter of the book cover.
Answers
Answered by
Steve
you know that on a rectangle, the top and bottom are equal, and that the two sides are equal, right? So that gives you
31-b = 2+a+2b
3a-b = 2+a+2b
Make sure you have no typos, and then solve the system of equations.
31-b = 2+a+2b
3a-b = 2+a+2b
Make sure you have no typos, and then solve the system of equations.
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