Principal Mendoza is looking to purchase additional notebooks for her students. She notes the price for different quantities of notebooks in the table below. The total price is proportional to the number of notebooks purchased.
Fill in the missing values in the table.
Number of Notebooks 25 42 __ 65
Total Price ($) __ 504 648 780
Number of Notebooks 25 42 55 65
Total Price ($) 300 504 640 780