Question

The perimeter of a rectangle is 42 inches. If the width of the rectangle is 6 inches, what is the length?
12 inches
15 inches
21 inches
40 inches

Answer 1

42 = 6(2) + 2x
2x = 42 - 12
2x = 30
x = 15

Answer 2

The answer would be 15 witch is b