Students of kikoma ss will be travelling to lake mburo national park for a tour.whenever such trips are organised,atleast384 learners pay for the tour.the school wants to hire buses and coasters to transport the learners.the number of buses in kikoma town does not exceed seven.it costs ugx.75000 to hire a bus and ugx.45000 for a coaster .a bus carries 64students while a coaster carries 48 students.let x represent the number of buses and y represent number of coasters.Task:as a senior four student,help the school plan on how many buses to be used and how much money is needed for a trip