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.
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