Sipho and his friends have decided to have a braai. Sipho has volunteered to purchase the various items that will be necessary for the braai. 1 Item Price (Rands) Quantity Total Cost (Rands) Firelighters Charcoal 18 3 50 4 Meat Pack 127 4 5 Bottle Of Coke Bag Of Chips 7 Bottle Of Water 26 6. 22 16 5 8 Overall Total Cost (Rands) = 9. 10 Discount 11 12 Overall Total Cost Minus Discount = 13 14 Average Cost Per Person = Use the Excel answer book provided to answer the questions given below, placing functions/formulas in the indicated cells, where appropriate. Q.1.1 Determine the total cost for each item (in cells D2-D7). Q.1.2 Determine the overall total cost for all of the items (in cell D8). Q.1.3 You purchase the items wholesale, and receive a discount of 12% on the overall cost. Determine what the discount will be (in cell D10). Q.1.4 Determine the overall total cost of the order minus the discount (in cell D12). Q.1.5 There will be eleven people at the braai. If everyone agrees to make the same contribution towards the cost of the braai, then determine what the average cost of the braai will be per person (in cell D14).
Permutations and Combinations
If there are 5 dishes, they can be relished in any order at a time. In permutation, it should be in a particular order. In combination, the order does not matter. Take 3 letters a, b, and c. The possible ways of pairing any two letters are ab, bc, ac, ba, cb and ca. It is in a particular order. So, this can be called the permutation of a, b, and c. But if the order does not matter then ab is the same as ba. Similarly, bc is the same as cb and ac is the same as ca. Here the list has ab, bc, and ac alone. This can be called the combination of a, b, and c.
Counting Theory
The fundamental counting principle is a rule that is used to count the total number of possible outcomes in a given situation.
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