Mary is going to the store to get some ice cream for her party. Her mom gave her $23 to spend. She wants to get a combination of ice cream sandwiches at $4 per box and gallons of Breyers for $5.
If she buys 2 boxes of sandwiches, how many gallons of Breyers can she buy? The answer should indicate the step where variables are defined, the equation used to solve, and the final answer.
