The number (variable n) would be 7. work is in the pic
32 divided by 8 = 4
4 x 5 = 20...
there are 20 pupils in 4 teams...
hope this helps!! :D
The answer is 14115/100.
The definition of a rational number is a number that can be divided by a integer.
So pi for example is an irrational number because it continuously goes on.
You can't divide pi accurate in a fraction.