The teacher brought 20 cupcakes to school, but there were only 17 students in the class. If each student had one cupcake, how many cupcakes were left?

1 Answer
Mar 2, 2018

3

Explanation:

There are color(red)(20) cupcakes.
There are color(blue)(17) students.
Only 17 cupcakes are being eaten.

So color(red)(20)-color(blue)17 = color(purple)3