Homework Help: pre-algebra

Posted by andrew on Friday, February 11, 2011 at 10:49am.

the length of a rectangle is 10 inches more than its width. what are the dimensions of the rectangle if its perimeter is 80 inches?

pre-algebra - Ms. Sue, Friday, February 11, 2011 at 10:51am
P = 2L + 2W
80 = 2(W + 10) + 2W
80 = 4W + 20
60 = 4W
15 = W

Answer this Question

Related Questions

algebra - Rectangle Dimensions The length of a rectangle is 7 inches longer than...
math - The length of a rectangle is 2 inches more than twice its width. If the ...
math ,correction - Directions: Solve each of the following problems. Be sure to ...
math - the length of a rectangle is 5 ft more than twice the width. a)if x ...
alegbra1 - The length of a rectangle is twice the width. If the length is ...
Math 208 - Rectangle Dimensions: The length of a rectangle is 7 inches longer ...
Algebra 1 - The perimeter of a rectangle equals the sum of the lengths of its ...
math - Suppose that the width of a rectangle is 5 inches shorter than the length...
Basic Algebra - The width of a rectangle is x inches long. The length of that ...
Algebra - The length of a rectangle is 6 inches more than twice its width. If ...

For Further Reading

First Name:
School Subject:
Answer: