An army base had provisions for 300 soldiers for 90 days. After 20 days, 50 soldiers left the army base.
How much longer after this will the food last if the
remaining soldiers consume food at the same rate?

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?