Question

An art teacher needs to buy 5 boxes of markers to completes a project with the class of 20 students. How many boxes of markers will he need to buy for class of 28 students.

Answer 1

7 boxes.

Explanation:

1 box per 5 students. And you would have 3 extra students. In this case you can't have less then what you need so she would have to buy 7 boxes, but have a few extra.

Answer 2

7 boxes. Hope this helps :)