Question

The perimeter of the first rectangle below is 120 inches. The perimeter of the second rectangle is 180 inches. What are the values of x and v?

A. x = 6; v = 42
B. x = 13; v = 42
C. x = 42; v = 6
D. x = 48; v = 28

Answer 1

A

Explanation:

Answer 2

A. x = 6; v = 42

Explanation:

Strategy : Guess and Check

Let's start with A:

If x = 6, then the first rectangle would be 12 + 42 + 6 + 12 + 42 + 6 = 120

Let's see if this checks out with the second rectangle.

6 + 42 + 42 + 6 + 42 + 42 = 180