Mara wants to use tiles to cover the bottom of a rectangular box that measures 24 inches long by 2 inches wide.

she has 20 small square tiles with side lengths of 1 inch and 10 large square tiles with side lengths of 2 inches.

if mara uses all the small tiles first, how many large tiles will she need to use?

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?