A hotel hosts banquets for conferences in a large ballroom with tables of eight. Servers must get the meals from the kitchen, bring them out to the tables, and then place the meals on the tables. It takes four minutes to get the meals, bring them out to the tables, and then 15 seconds to serve each guest.

If 20 servers are available, how many tables can be served in 20 minutes? Do not round intermediate calculations. Round your answer to two decimal places.

_______ tables

The hotel wants to be able to serve 100 tables in 20 minutes. How many servers are needed? Do not round intermediate calculations. Round your answer to the nearest whole number.

________ servers