ivy bought 10 packs of cups for her holiday party. a pack of medium cups costs $1.80 and a pack of large cups costs $2.40. she p

The answer is 4 packs of medium cups and 6 packs of large cups.

Ivy purchased 4 packs of medium cups and 6 packs of large cups. To resolve this, we utilized a system of equations, representing the cups with one equation and the costs with another. Let signify the medium cups and represent the large cups. We will use substitution to find the solution. First, adjust the initial equation to isolate one variable, and then replace it in the second equation. Following this process leads us to determine that Ivy acquired 6 packs of large cups. Substituting back into the initial equation reveals that she bought 4 packs of medium cups. Verifying our findings with both equations confirms their accuracy.