Description: Sal solves a two-step word problem by drawing a picture and creating an equation. Created by Sal Khan. Akshay brought four boxes of chocolate truffles to a party. Every guest at the party ate exactly 3 truffles, and there were none left over. So let's say that p, or let's say g, g for guests, let's say that g is equal to the number of guests at the party.*Teacher Advisor is 100% free.