1.3
The family uses pre-paid electricity which is charged at R1.11 per kWh and the
first 50...
Mathematics, 21.09.2021 01:00 ava1018
1.3
The family uses pre-paid electricity which is charged at R1.11 per kWh and the
first 50 units are free.
1.3.1 Determine the formula that can be used to calculate the total
cost of electricity.
1.3.2
The family uses 300 kWh of electricity per month, use the formula in
Question 1.3.1 to calculate the total cost of electricity used.
Rico
21 x 15/15
= 15
(3)
4
ed
Please turn over
Answers: 3
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