Last Monday, two law students met up at café Literatura after school to read the pages they were assigned in the legal methods class. Alejandro can read 1 page per minute, and he has read 28 pages so far. Carly, who has a reading speed of 2 pages per minute has read 12 pages so far.

Part A: Define the variables and write two equations to represent the number of pages that each student read.

Variables:

Alejandro:

Carly: