The minute hand of a clock is 12 inches long and moves from 12 to 9 o'clock. How far does the tip of the minute hand move? Express your answer in terms of x and then round to two decimal places.

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?