In the woodworking class, Yin glues together 7 strips of wood to make a decorative coaster. Each wood strip is the same width. Yin’s finished coaster is 3.5 inches wide. Which equation can you use to find the width (w) of each wood strip?

Choices:

◦w - 7 = 3.5
◦w/7 = 3.5
◦7w = 3.5
◦w + 7 = 3.5