Question

There are 20 students in your class. 3/5 of them pack a lunch.

Which method will help you find the number of students in your class who pack a lunch?

Answer 1

The answer would be 12.

Explanation:

This is a Basic function. They are very easy.

Answer 2

12 students packed for lunch

Explanation:

basic function:

20 * 3/5

12 students packed for lunch

..............................................................................................................................................

you can also find who didn't by:

20 - 12 = 8 students did not pack for lunch

OR (1 - 3/5) * 20 = 8 students did not pack for lunch