It was reported that majority of the candidates who attempted this question were able to derive the two equations i.e. if x = length of field and y = breadth, then
xy = 7200; x + y = 180.  They were able to solve these equations and also obtained the dimensions as 60m and 120m.  However, attempt on the parts (b) and (c) was poorly handed by some of the candidates.  Many took the margin to be all round the field but the question specified along the longer sides.  Thus cost of clearing the field = N6.50 x 56 x 120 = N43,680.00.  The percentage of the part not cleared
             = 7200 – (120 x 56) x 100  =  62/3 or 6.67%
                          7200
Candidates, who sketched the diagram, were reported to have performed well in the question.