Question
In one canteen, the oval table can seat 7 diners and the round table can seat 4 diners. During the buffet, all the tables in the canteen were occupied. The number of each type of tables in the canteen is more than 6 and less than 13. If there were 117 diners, find

(a) the number of round tables
(b) the number of oval tables
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

In one canteen, the oval table can seat 7 diners and the round table can seat 4 diners. During the buffet, all the tables in the canteen were occupied. The number of each type of tables in the canteen is more than 6 and less than 13. If there were 117 diners, find

(a) the number of round tables
(b) the number of oval tables