Mikayla is a waitress who makes a guaranteed 50$ sign, 50 per day in addition to tips of 20 percent of all her weekly customer receipts. she works 6 days per week. which of the following functions best represents the amount of money that mikayla makes in one week? a. f(t) = 50 + 20tb. f(t) = 300 + 20tc. f(t) = 50 + 0.2td. f(t) = 300 + 0.2t