Title: Electricity Bills
1Electricity Bills
2The amount of Electricity used is measured in
units
To calculate the amount used we use the following
formula
Units used PRESENT reading - PREVIOUS reading
Units used 32514 - 32347 167
Units used 60134 - 59929 205
3Calculate the units used for each of the
following sets of readings
Present Previous 41067 40878 23107 22939 81074
80873 00453 00269
Units 41067 - 40878
189
Units 23107 - 22939
168
Units 81074 - 80873
201
Units 00453 - 00269
184
We can calculate the cost of the electricity
using Total cost units used x cost per unit
Find the cost of 125 units of electricity at 6p
per unit
Cost
125 x 6
750p
7.50
4Electricity Bills
Calculate the total cost for each of the following
1 unit of electricity costs 4p
63
252p 2.52
340p 3.40
85
142
568p 5.68
112
448p 4.48
78
312p 3.12
5Other costs on an electricity bill
Standing charge - this is a fixed amont of money
paid even if no electricity is used
VAT is paid on the total electricity bill
6189
15.12
27.62
4.83
32.45