A restaurant has 5 round tables and 12 square tables. Each round table has 6 chairs, and each square table has 4 chairs. How many chairs are there in all?

There are 30 chairs at the round tables (5 tables x 6 chairs per table) and 48 chairs at the square tables (12 tables x 4 chairs per table). Therefore, there are a total of 78 chairs in the restaurant.

answer?

78 chairs.

To find the total number of chairs, we need to calculate the sum of chairs from both round tables and square tables.

Step 1: Calculate the number of chairs from round tables:
Number of round tables = 5
Number of chairs per round table = 6
Total number of chairs from round tables = Number of round tables x Number of chairs per round table = 5 x 6 = 30 chairs

Step 2: Calculate the number of chairs from square tables:
Number of square tables = 12
Number of chairs per square table = 4
Total number of chairs from square tables = Number of square tables x Number of chairs per square table = 12 x 4 = 48 chairs

Step 3: Calculate the total number of chairs:
Total number of chairs = Total number of chairs from round tables + Total number of chairs from square tables = 30 chairs + 48 chairs = 78 chairs

Therefore, there are 78 chairs in total.