Hannah had a grid or squares that has 12 rows with 15 squares in each row.She colors 5 rows of 8 squares in the middle of the grid blue . She colors the rest of the squares red.How many squares does Hannah color red
So she has 180 squares in total so since she colors 5 rows of 8 squares then that = 40 which she colors blue. So all you have to do is subtract 180 from 4 and you get 140.