Louisa went shopping for shirts, and belts. A shirt costs $15, a pait of pants costs $20, and a belt costs $4. If she brought 4 items and spent $54, how many of each item did she buy?
revised: Louisa went shopping for shirts, and belts. A shirt costs $15, a pair of pants costs $20, and a belt costs $4. If she brought 4 items and spent $54, how many of each item did she buy? so the answer will be 2 pairs of pants 1 shirt