The wheels on Kai's bike are 27 inches in diameter. His little sister, Masako, has a bike with wheels that are 20 inches in diameter.
a. How far will Kai go in one complete turn of his wheels?
b. How far will Masacko go in one complete turn of her wheels?
c. How far will Kai go in 500 turns of his wheels?
d. How far will Masako go in 500 turns of her wheels?