pencil = $2.78
box of crayons = $4.44 notebook = $3.67 backpack = $32.66
folder = $1.15
pad of paper = $3.18 calculator = $12.76 marker = $3.42
Billy wants to buy a calculator and a backpack. How much will it cost him?
Price of calculator = $12.76
Price of backpack = $32.66
∴ It will cost Billy $(12.36 + 32.66) = $45.42