1.1 Anita runs a business and she wants to buy the cellphone for her personal use. She visited two cellphone companies to compare the prices of the same phone. The findings are listed in the tables below as follows:
1.1.1 Calculate the total cost of this cellphone from Company A for the duration of contract excluding calls and SMSes if she also took insurance. (4)
1.1.2 Calculate the total cost of an 8 minute cellphone call from Company A made at 20:25 on a Friday. (2)
1.1.3 Calculate how much will the cellphone following year from Company B cost in cash, if the inflation rate is 4,4% per year. (2)
1.2 Anita’s personal calls were recorded as follows for the first week of March 2015.
NOTE: All the calls and SMSes have been corrected to the nearest minute.
1.2.1 Calculate the total amount she will pay for the off peak SMSes for the first week if she uses Company B. (2)
1.2.2 Determine the ratio of the calls made during peak time, to that ofthe calls made during off peak time. (2)
1.2.3 Determine the probability that the SMSes made by Anita are at off peak time. Give your answer in its simplest form. (2)
1.3.1 Anita took a loan of R1 525, 00 for two months. She did not pay the interest in the first month. Calculate the total interest amount she will have to pay at the end of two months. (2)
1.3.2 Determine the total amount they will have as a group, including Anita’s additional interest amount. (3)
1.3.3 Calculate the total amount Anita will receive on the day they share their money, including her own additional interest amount. (3)
1.4.1 Calculate the maximum cost for cruising in an inside cabin of the ship in rands. (1$ = R11,82.) (2)
1.4.2 There was a helicopter at the expo. It costs R1 571,05 for a 30 minute flight excluding VAT. Calculate the cost of the flight for an hour including VAT. (3)
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