3. The length of a rectangle is 7 mm longer than its width. Its perimeter is more than 62 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.

Question

3.	The length of a rectangle is 7 mm longer than its width. Its perimeter is more than 62 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.

bibby · Answer

a)
you know that length is 7mm more than the width. how would you express length in terms of width?
b)
you know that a rectangle has 2 lengths and 2 widths. 2l + 2w = Perimeter (or in this case > 62)
c) solve the resulting inequality