The graphs below show the water tariffs for Cape Town and Johannesburg - NSC Mathematical Literacy - Question 1 - 2018 - Paper 1
Question 1
The graphs below show the water tariffs for Cape Town and Johannesburg. Study the graphs below and answer the questions which follow.
CAPE TOWN
Kilolitres (kl) used... show full transcript
Worked Solution & Example Answer:The graphs below show the water tariffs for Cape Town and Johannesburg - NSC Mathematical Literacy - Question 1 - 2018 - Paper 1
Step 1
State the type of graph used to represent this data.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The type of graph used to represent this data is a horizontal double bar graph.
Step 2
Arrange Cape Town's percentage increase in descending order.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The percentage increases for Cape Town in descending order are as follows: 71.6%, 51%, 10.3%, 10.9%, 7.3%, 6.6%, with Johannesburg's highest percentage increase being noted last.
Step 3
Identify the step that indicates the largest increase (in rand) in Cape Town's water tariff from 2016/17 to 2017/18.
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The step that indicates the largest increase in Cape Town's water tariff is Step 6, which shows an increase of R200.10.
Step 4
Determine in which ONE of the two cities water is more expensive.
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Cape Town has a higher water tariff compared to Johannesburg for similar kilolitres consumed, particularly at higher usage tiers.
Step 5
Calculate the cost of 3.5 kl of water in Johannesburg during 2017/18.
97%
117 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The cost of 3.5 kl of water in Johannesburg during 2017/18 is R7.14, as it falls under Step 2 where consumption is between 0 and 6 kl.
Step 6
Is the data given categorically or numerically?
97%
121 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The data is given numerically, as it represents quantities and prices in numerical format.
