Part 4 It is the month for Reild trips and your school has decided to take Kindergarten students on a trip. to the Zoo The 200 is 160km away the driver is charging base on distance travelled for every 3km travelled, the cost is $50 for adults half this amount for students. Each fraction of 3km attracts the same cost. The trip consists of 30 students and there are s students to an adult 1) How many person in all are the bus?