Your school is planning a field trip to the zoo. there are two different bus companies that the school can use. bus company a has a $25 rental fee of plus $4 for each student. bus company b has a $115 rental fee plus $2 for each student. how many students will need to go in order for the bus to cost the same from both companies? a) 42 students b)73 students c)70 students d)45 students