Tinyiko is selling scones to support her family. She is buying her ingredients from the local shopping
mall. It costs her R2,00 to prepare and make one scone andR18 for transport. She sells the scones at
R3,00 each.
TABLE 2 : COST AND SELLING PRICE OF MAKING SCONES
Number of scones: 0 ;5. ;15. ;30 ; 60 ; 90 ; 120 ;200 ;250 .
Cost Price (in Rands ) : 18 ; 28 ; 48 ;78 ; A ; 198 ; 258 ; 418 ; 518 .
Selling Price (in Rands ) : 0 ; 15 ; 45 ; 90 ; 180 ; B ; 360 ; 600 ; 750 .
Use the information above to answer the questions that follow.
2.1.1Deternmine the values of A and B.
2.1.2 Deternmine the point where the
selling price is the same as cost price.
2.1.3 Draw the two graphs on the same set of axes provided. (on answer sheet 2 provided)
2.1.4 If Tinyiko increases the selling price to R3,50, what will happen to the point in Question
2.1.5 The selling price is given by the formula Selling Price = R3 ,00 × K, where K is number
scones. Determine the equation for the cost price.
