Larry is building a frame around a rectangular picture. He will need 40 inches of wood to do the entire frame. If the frame is 12 inches long, how wide is the frame?
A.
16 inches
B.
8 inches
C.
20 inches
D.
6 inches
B. 8 inches
First, calculate the perimeter of the rectangular picture frame by adding twice the length and twice the width:
2(12) + 2W = 40
24 + 2W = 40
2W = 16
W = 8
Therefore, the width of the frame is 8 inches.