2.1
Study the meter readings above and TABLE 2 below to answer the questions that
follow.
TABLE 2:
STEPPED TARIFF SYSTEM (SLIDING SCALE) USED TO
CALCULATE COST IN CENTS OF ELECTRICITY UNITS
2.1.1 Write down the amount (in cents) charged for one Kilowatt per hour in step 1. (2)
2.1.2 Calculate the total amount Martin paid for units used in August 2019 according
to the above tariff system. Give your final answer in rands and cents. (6)
2.2 The following advertisement for a cellphone appeared in a magazine from a network
provider.
Study the information above and answer the questions that follow.
2.2.1 The price was reduced from R2 499 to R1 948. Show how the 22% discount
was calculated. (2)
2.2.2 The price of R1 948 includes Value Added Tax (VAT 15%). Calculate the
VAT amount included in the price.
2.3.1 Explain the meaning of the term inflation. (2)
2.3.2 Calculate the price of a laptop in December 2018 if its price was R5 999 in
December 2017. (3)
Use the above information to answer the questions that follow.
2.4.1 Determine the amount Sona invested with the bank. (2)
2.4.2 Calculate the total interest earned in 2 years by investing 75% of the amount
won. (5)
2.4.3 Convert the amount Sona sent to her sister into USA dollars ($).
You may use the exchange rate:
1$ = R14, 38 (2)
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