Last month customers at a gift shop bought 40 birthday cards 19 congratulation cards 20 holiday day cards and 21 you cards . suppose 125 customers buy greeting cards next month . how many would you expect to buy a birthday card ?

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

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?

Find the distance between c and d on the number line c=3 and d=11