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The monthly water bill for domestic users is calculated using the information shown in the table below.
Fixed charge $65
Cost per liter $0.20
Calculate the total bill for a customer who used 2415 L of water.
A company used 2690m³ of water for the first half of the year. The water rates are shown in the table below.
$3.10 per cubic meter for the first 1200m³
$2.50 per cubic meter for the next 1000m³
$3.25 per cubic meter for any amount in excess of 2200m³
A discount of 10% was given when the bill was paid on time. What is the total bill?
Jerry used 86m3 of gas for the first half of the year. The gas rates were as follows.
$2.10 per cubic meter for the first 50m3
$1.15 per cubic meter for any amount in excess of 50m3
15% VAT is charged on the bill.
Calculate Jerry’s total bill.
A factory uses 1420m3 of gas for the first quarter of the year. The charges for gas were as follows
$1.25 for the first 600m3
$0.90 for the next 400m3
$1.50 for any amount in excess of 1000m3.
15% Vat is charged and a discount of 5% is given if the bill is paid on time.
i) Calculate the cost of 1420m3 of gas used by the factory in the first quarter
ii) Calculate the final bill if it was paid on time.
Calculate the number of units of electricity used by
a) 15000W air-conditioning unit for 15 hrs.
b) 4000W dryer for 2hrs.
c) 1500W water pump for 5hrs.
a) 15000W = 15kW
No. of units used = 15kWh x 15hrs. = 225kWh = 225 units
b) No. of units used = 4kW x 2hrs. = 8kWh = 8 units
c) 1.5kWh = 1500W
No. of units used = 1.5 x 5 = 7.5kWh = 7.5 units
Calculate the quarterly bill of a man who used 1450 units. He must pay a standing charge of $56.50, $25 for rental of his meter and $0.12 per unit.
The meter reading for a school is shown below
Present
27536 |
Previous
25016 |
If the charge for electricity consists of a fuel charge of $0.35 per unit and an energy charge of $0.15 per unit. Calculate the total bill if 15% VAT is added.
CXC June 2017 Q 1 (c)
John’s monthly electricity bill is based on the number of kWh of electricity that he consumes for that month. He is charged $5.10 per kWh of electricity consumed. For the month of March 2016, two meter readings are displayed in the table below.
Meter Readings | |
Beginning 01 March | 03011 |
Ending 31 March | 03307 |
i) Calculate the TOTAL amount that John pays for electricity consumption for the month of March 2016.
ii) For the next month April 2016, John pays $2351.10 for electricity consumption. Determine his meter reading at the end of April 2016.
Use the table to answer the following question
Telephone bill
Name: Mr. Jack
Countries | Fixed charges for first 3 mins. or less | Charge for additional minutes | Duration of call |
USA Fl | $21.85 | $0.15 | 2 |
Barbados | $14.50 | $0.08 | 8 |
Australia | $25.75 | $0.18 | 15 |
VAT of 12% is charged on calls made. A discount of 5% is given if the bill is paid within 2 weeks. Calculate
i) The cost of the call to US Fl.
ii) The cost of the call to Barbados.
iii) The cost of the call to Australia.
iv) The VAT on all the calls.
v) The discount Mr. Jack would receive if he paid his bill on time.
vi) The amount Mr. Jack pays.
Calculate the quarterly telephone bill for the following household.
Customer- Mr. John
No. of units used- 825
Standing charge- $31.60
Cost per unit- $0.12