Answer:

Step-by-step explanation:
The given series is:

The series is not very lengthy so we can write the expanded form;

This implies that;


The square root rounded up to the nearest integer, 6.
testing the values 1 through 6 for division into 36 we find factors of 36 which are : (1, 36)
(2, 18)
(3, 12)
(4, 9)
(6,6)
or in other words the sets would be : 1, 2 , 3, 4 , 6 , 9 , 12 , 18 , 36
40 x 3 = 120 students study languages
there are 40 students in each language class and there are 3 language classes.
hope it's clear :)
Y<-60
hope this helps and good luck;)