The length of a rectangle is 3 times the width. The perimeter of the rectangle is 56 inches. Determine the width of the rectangle

Answer:
7
Step-by-step explanation:
56/2=28 (since the formula is w x l x 2)
28/4=7
Width is 7 inches and length is 21 inches.
7 + 21 = 28 x 2 = 56