Question

It takes servers in a restaurant 18 minutes to clear and set 9 tables.

At this rate, how long will it take them to clear and set 20 tables

Answer 1

40 minutes

Explanation:

To find it taes to clear and set one table divide time by the amount of tables. 18/9=2. It takes 2 minutes per table. To find the answer for 20 tables, you have to multiply 20 by 2. It takes 40 minutes to set and clear 20 tables.