Lydia's kitchen as about 410 square feet of wall area. one roll of wallpaper covers about 23 square feet. how many rolls of wallpaper will lydia need to paper the walls of the kitchen?

How much money does ron have left each month after his fixed expenses? ron graduated from college five years ago. he recently bought a house, but shares it with a housemate who pays him $800 a month for rent and utilities. ron is putting a budget worksheet together so he will have a better idea of where his money is going and where he can save. enlarge