P6 / Raffles Girls / 2019 / SA2 / Paper 2 – Q12 [4 marks]

Question:

The table shows the charges for the electricity consumption by ABC company.
(a) Mrs Tan’s family used 50 kW of electricity in July. How much did her family pay for their electricity consumption?
(b) Mr Lee spent $129.42 on electricity consumption in August. How many kilowatts of electricity did his family consume?

Solution: