Question

simon sold 72 packages of popcorn. there are 9 packages in each box. if he has delivered 27 packages,how many boxes does Simon have left to deliver?

Answer 1

$72-27 = 45 \\ 45/9 = 5 \\\boxed {5 \ boxes}$

Answer 2

45 should be right   so he still has to deliver 45 boxes to finish up the boxes