Question

This year 90 students signed up for the group talent contest if all the groups had the same number of students how many groups could be formed

A. 4 or 5
B 5 or 6
C 4 or 6
D 4 or 9

Answer 1

B. 5 or 6

It has to be divisible by 90 and 5 and 6 are

Answer 2

B) 5 or 6

Explanation:

We can solve this by taking 90 and dividing it by 5 or 6

90/6 = 15

or

90/5 = 18

the answer MUST be a whole number. There cannot be .2 students (no decimals basically).