Question

Please help me with this:
The gas meter readings at the beginning and end of a period were:
6
4
9
6

6
7
8
5

The cost of the gas is 13p for each unit.
There is also a fixed charge of £21.45.
Calculate the cost of the gas.
You must show your working.​

Answer 1

Answer:

£59.02

Step-by-step explanation:

• find the amount of gas used: 6785-6496 = 289
• find the cost of the gas by multiplying the 289 by 13p = 3757p = £37.57
• add the cost of the gas to the fixed delivery charge £37.57+£21.45 = £59.02