ations to solve each problem. Use and tell what each variable represents. 2. The third-grade class collected 148 books to donate to the library. The fourth-grade class collected 175 books. The students need to pack the books into boxes. Each box holds 9 books. How many boxes do they need to hold all the books?

148 + 175 = 323

323÷9 = 35,9 ≈ 36

Answer: 36 boxes.