Question

a grocery store display has 2 boxes of cereal on the top row,3 boxes in the next row,4 boxes in the next row, and so on. How many rows are there in the display if there are 44 boxes in all

Answer 1

There ya go! The answer is 8 rows. Added a picture to show you my work :)

Answer 2

There would be 8 rows 
2+3+4+5+6+7+8+9 = 44