hree girlfriends (Karen, Tara, and Chelsea) each buy ice cream and paper back novels to enjoy on hot summer days. Ice cream costs $5 per gallon and paperback novels cost $8 each. Karen has a budget of $80, Tara has a budget of $60, and Chelsea has a budget of $40 to spend on these two goods. Which girl can afford to purchase 8 gallons of ice cream and 5 paperback novels?