SOLUTION: The length of the rectangle is 10 mm longer than its width. Its perimeter is more than 80 mm. let w equal the width of the rectangle. (a) write an expression for the length in ter

Algebra ->  Rectangles -> SOLUTION: The length of the rectangle is 10 mm longer than its width. Its perimeter is more than 80 mm. let w equal the width of the rectangle. (a) write an expression for the length in ter      Log On


   



Question 1030452: The length of the rectangle is 10 mm longer than its width. Its perimeter is more than 80 mm. let w equal the width of the rectangle.
(a) write an expression for the length in terms of the width.
(b) use these expressions to write an inequality based on the given information.
(c) solve the inequality, clearly indicating the width of the rectangle.

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
w=x
length=x+10
perimeter = 2w+2l=2x+2x+20 > 80
4x+20 > 80
4x >60
x >15 mm
or w >15 mm