I don’t know what those signs mean but i need the answer

Frank has $66.50 in his account on sunday. over the next week, he makes the following changes to his balance via deposits and purchases: day debit ($) credit ($) monday 60.33 80.75 tuesday 54.45 wednesday 49.20 15.00 thursday 35.40 friday 16.85 75.00 saturday 80.56 on what day does frank first get charged an overdraft fee? a. wednesday b. thursday c. friday d. saturday select the best answer from the choices provided a b c d

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?