A concession stand at a football game sold 48 hotdogs and hamburgers altogether and took in $84 in total sales on these two products. If each hotdog sells for $1.50 and each hamburger sells for $2.25, then how many hotdogs and how many hamburgers were sold?

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.