A box contains 25 packages of notebook paper. The price of the box is $56.25. Each of the packages of notebook paper cost the same amount. Which could be used to find p, the price of the package of notebook paper? 
 A. P -25 equals 56.25 
 B. P +25 equals 56.25 
 C. P/25 equals 56.25 
 D. 25P equals 56.25