4. the debating club of suncrest highschool must transport 77 of it's members of it's members to a debate that is to be held 20km away from the school. The club has the option of hiring buses from Naidu's Transport company or using minibuses from a taxi company. The taxi company charges R30 per head, as long as there are at least 10 passengers in the minibus. Each minibus can accommodate a maximum of 15 passengers
a) Analyse the information and determine the minimum number of minibuses needed to transport the 77 members of the debating club.
b) Identify the cheaper option of transporting the 77 members. Show ALL calculations​