Question 73503
1.

Express in terms of variables:

Width = w

Length = 2 + 2w 

LW = Area of rectangle

(2 + 2w)w = 84

Find w and substitute.


2. Denote the consecutive even integers as n, n + 2, and n + 4.

n(n + 4) = 10(n + 2)

n^2 - 6n - 16 = 0

Solve n, using factoring.