3. Usually, the red numbering is ignored for the bills. What are the readings on these two meters?

4. Old-style dial meters are harder to read. Notice how alternate dials are read clockwise then anticlockwise! If the pointer is between two numbers, then you read the lower number. If the pointer is between nine and zero then the lower number is nine. What is the reading on this meter?

5. This reading is even more difficult!

7. 1 28 May – you gave us your first meter reading89597 2 14 June – estimated meter reading89741 3 Estimated kWh used over 18 days144.00 4 144 kWh × 11.700p = £16.85 Cost of electricity used this period £16.85 5 Standing charge 18 days at 24.770p per day £4.45 6 Total electricity used£21.30 7 Dual fuel discount- £0.71 8 VAT at 5.00%£1.02 9 Total electricity including VAT£21.61 Dan takes his own meter reading. It is 89701.

8. On the older meter on the left, the red numbering and the dial are usually ignored for the bills. It may be different for the meter on the right. What are the readings on these two meters?

9. Gas is a natural product. One unit (Ft 3 ) does not always produce exactly the same amount of energy. In order to price energy from gas consistently, we convert your units used into kilowatt hours of energy, using the following formula …

10. Imperial units used (measured in Cubic Feet, calculated from the meter reading) The number of cubic feet used Multiplied by the metric conversion × 2.83 Multiplied by the calorific value × 40.1 Multiplied by the volume correction × 1.0226400 Divided by kWh conversion ÷ 3.6 Equals the kWh The energy company estimated that Dan used 12 cubic feet of gas in this period. They charge 4.080p per kWh.

11. On the 28 th May, your balance was£0.00 Total charges (including VAT and discounts)£42.85 What you’ve paid Direct Debit 12 June -£121.00 Your account balance is in credit by£78.15 Gas credit balance£58.76 Electricity credit balance£19.39 Dan’s first statement is dated the 15 th of June and shows the balance of his account up to then. The energy company explains that Dan is in credit by £78.15.

14. First reading 28 th May Dan’s actual reading 27 th July Electricity8959789844 Gas73427345