Hannah has a grid of 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?

(c) a vine called the mile-a-minute weed is known for growing at a very fast rate. it can grow up to 0.5 ft per day. how fast in inches per hour can the mile-a-minute weed grow up to? show your work using the correct conversion factors.