A restaurant has a total of 30 tables which are
are of two types. The first type seats two people
at each table; the second type seats five people at
people at each table. A total of 81 people are
when all seats are occupied. How many tables are there?

Respuesta :

Answer:

7 five people tables and 23 two people tables

Step-by-step explanation:

this is the equation I used:

(81-(5×7))/2=23

I don't know how to explain it in words...sorry