Alex makes a C-shaped frame using wooden strips. He subsequently makes 2 C-shaped, 3 C-shaped frames, and so on, as shown in the figure. Find the rule that will give the number of wooden strips in terms of the number of C-shaped frames.
Alex takes 15 minutes to make one L-shaped pattern. How many L-shaped patterns he'll make in an hour? Find a rule for the number of L-shaped patterns made by Alex in terms of the number of hours, using a variable.