The perimeter of a rectangle is 108 decimeters. The length of the rectangle is 42 decimeters. What is the width of the rectangle?

Responses

150 dm

66 dm

24 dm

12 dm

1 answer

12 dm

Perimeter = 2(length + width)
108 = 2(42 + width)
108 = 2(42 + width)
108 = 84 + 2w
24 = 2w
w = 12 dm

Therefore, the width of the rectangle is 12 decimeters.