Question

The school cafeteria has 19 round tables and 4 rectangular tables. Each round table has 7 chairs, and each rectangular table has 6 chairs. How many chairs are there in all?

Answer 1

157

Explanation:

round table: 7 chairs

rectangular table: 6 chairs

19 round tables

4 rectangular tables

19 × 7 + 4 × 6 = 133 + 24 = 157