Astore charges their customers based on the number of items that they buy. jane bought four items and was charged $15 and george bought twelve items and was charged $39. write a function to model the cost based on the number of items you buy. then determine how much you bought if you were charged $33. a) f(x) = 3x + 3; f(10) = 33 b) f(x) = 3x + 3; f(33) = 102 c) f(x) = 1/3x + 3; f(90) = 33 d) f(x) = 1/3x + 3; f(33) = 14

Ican interpret and represent the remainder in division calculations sensibly for the context (eg 27.4 in calculating average height in cm: $27.44 if it represents an amount of money) solve the following problems. 15) the wildlife park charges $25.50 dollars per person to enter their park if the park made $15096 dollars today, how many people entered the park? 16) ms adams plus 2,230 other keen runners ran a marathon: between them they ran 94817.5km. how many km did each competitor run?