1.1 If they wash both cars and microbuses from Monday to Friday, calculate the
probability that they will wash a car. (3)
1.2 Sipho claims that if they wash both cars and microbuses from Monday to Sunday,
they will be able to receive more than R4 000. With calculations, show whether his
claim is valid or not. (10)
1.3 Sipho and his employees use three 25-litres containers of water for a car and four
25-litres containers of water for a microbus. How many litres of water do they use in
7 days? (6)
1.4 Use the table below to answer the question.
TABLE 1: Water tariff charges per month for Ziphunzana in 2014–2015
Calculate how much Sipho will pay for water per month including VAT.
NOTE: Assume there are 4 weeks in a month. (8)
1.5 Give a possible reason why they wash more cars on Saturdays and Sundays. (2)