Transcript Money – Gas Bill Mr Black is looking at cheaper ways of paying for the gas he uses. He has received the following.

Money – Gas Bill
Mr Black is looking at cheaper ways of paying for the
gas he uses.
He has received the following details from two
companies.
GASCOM
Standing charge per month: £1.00
Cost per kWh: £2.99
UGAS
Standing charge per month: £3.78
Cost per kWh: £2.38
Mr Black estimates that he will use 4000 kWh in the
next 3 months.
From which company would his gas bill be cheaper and
by how much?
Choose level of difficulty
Money – Gas Bill
Mr Black is looking at cheaper ways of paying for the
gas he uses.
He has received the following details from two
companies.
Help
Step 1:
GASCOM
Standing charge per month: £1.00
Cost per kWh: £2.99
Work out the cost of
the 4000kWh for
each of the
companies.
Fill in this table
GASCOM
UGAS
Standing charge per month: £3.78
Cost per kWh: £2.38
Cost per
kWh
Mr Black estimates that he will use 4000 kWh in the
next 3 months.
From which company would his gas bill be cheaper and
by how much?
Number
of kWh
Cost
UGAS
2.99
4000
Money – Gas Bill
Mr Black is looking at cheaper ways of paying for the
gas he uses.
He has received the following details from two
companies.
Help
Step 2:
Work out the cost of
the standing charge
for each company
GASCOM
Standing charge per month: £1.00
Cost per kWh: £2.99
Fill in this table
GASCOM
UGAS
Standing charge per month: £3.78
Cost per kWh: £2.38
Mr Black estimates that he will use 4000 kWh in the
next 3 months.
From which company would his gas bill be cheaper and
by how much?
Standing
Charge
Number
of
Months
Cost
UGAS
Money – Gas Bill
Mr Black is looking at cheaper ways of paying for the
gas he uses.
He has received the following details from two
companies.
Help
GASCOM
Fill in this table
Step 3:
Work out the total
cost
Standing charge per month: £1.00
Cost per kWh: £2.99
GASCOM
UGAS
Standing charge per month: £3.78
Cost per kWh: £2.38
Mr Black estimates that he will use 4000 kWh in the
next 3 months.
From which company would his gas bill be cheaper and
by how much?
Standing
Charge for
3 months
Cost of
kWh
Total Cost
UGAS
Money – Gas Bill
Mr Black is looking at cheaper ways of paying for the
gas he uses.
He has received the following details from two
companies.
GASCOM
Help
Step 4:
State which
company is cheaper
and how much
cheaper is it?
Standing charge per month: £1.00
Cost per kWh: £2.99
UGAS
Standing charge per month: £3.78
Cost per kWh: £2.38
Mr Black estimates that he will use 4000 kWh in the
next 3 months.
From which company would his gas bill be cheaper and
by how much?
End of Problem
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Money – Gas Bill
Mr Black is looking at cheaper ways of paying for the
gas he uses.
He has received the following details from two
companies.
Help
Step 1:
GASCOM
Standing charge per month: £1.00
Cost per kWh: £2.99
Work out the cost of
the 4000kWh for
each of the
companies.
Fill in this table
GASCOM
UGAS
Standing charge per month: £3.78
Cost per kWh: £2.38
Cost per
kWh
Mr Black estimates that he will use 4000 kWh in the
next 3 months.
From which company would his gas bill be cheaper and
by how much?
Number
of kWh
Cost
UGAS
2.99
4000
Money – Gas Bill
Mr Black is looking at cheaper ways of paying for the
gas he uses.
He has received the following details from two
companies.
Help
Step 2:
Work out the cost of
the standing charge
for each company
GASCOM
Standing charge per month: £1.00
Cost per kWh: £2.99
Fill in this table
GASCOM
UGAS
Standing charge per month: £3.78
Cost per kWh: £2.38
Mr Black estimates that he will use 4000 kWh in the
next 3 months.
From which company would his gas bill be cheaper and
by how much?
Standing
Charge
Number
of
Months
Cost
UGAS
Money – Gas Bill
Mr Black is looking at cheaper ways of paying for the
gas he uses.
He has received the following details from two
companies.
Help
GASCOM
Fill in this table
Step 3:
Work out the total
cost
Standing charge per month: £1.00
Cost per kWh: £2.99
GASCOM
UGAS
Standing charge per month: £3.78
Cost per kWh: £2.38
Mr Black estimates that he will use 4000 kWh in the
next 3 months.
From which company would his gas bill be cheaper and
by how much?
Standing
Charge for
3 months
Cost of
kWh
Total Cost
UGAS
Money – Gas Bill
Mr Black is looking at cheaper ways of paying for the
gas he uses.
He has received the following details from two
companies.
GASCOM
Help
Step 4:
State which
company is cheaper
and how much
cheaper is it?
Standing charge per month: £1.00
Cost per kWh: £2.99
UGAS
Standing charge per month: £3.78
Cost per kWh: £2.38
Mr Black estimates that he will use 4000 kWh in the
next 3 months.
From which company would his gas bill be cheaper and
by how much?
End of Problem
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Money – Gas Bill
Mr Black is looking at cheaper ways of paying for the
gas he uses.
He has received the following details from two
companies.
GASCOM
Standing charge per month: £1.00
Cost per kWh: £2.99
UGAS
Standing charge per month: £3.78
Cost per kWh: £2.38
Mr Black estimates that he will use 4000 kWh in the
next 3 months.
From which company would his gas bill be cheaper and
by how much?
Money – Gas Bill
Mr Black is looking at cheaper ways of paying for the
gas he uses.
He has received the following details from two
companies.
GASCOM
Standing charge per month: £1.00
Cost per kWh: £2.99
UGAS
Standing charge per month: £3.78
Cost per kWh: £2.38
Mr Black estimates that he will use 4000 kWh in the
next 3 months.
From which company would his gas bill be cheaper and
by how much?
Money – Gas Bill
Mr Black is looking at cheaper ways of paying for the
gas he uses.
He has received the following details from two
companies.
GASCOM
Standing charge per month: £1.00
Cost per kWh: £2.99
UGAS
Standing charge per month: £3.78
Cost per kWh: £2.38
Mr Black estimates that he will use 4000 kWh in the
next 3 months.
From which company would his gas bill be cheaper and
by how much?
Money – Gas Bill
Mr Black is looking at cheaper ways of paying for the
gas he uses.
He has received the following details from two
companies.
GASCOM
Standing charge per month: £1.00
Cost per kWh: £2.99
UGAS
Standing charge per month: £3.78
Cost per kWh: £2.38
Mr Black estimates that he will use 4000 kWh in the
next 3 months.
From which company would his gas bill be cheaper and
by how much?
End of Problem
Return to Menu
Money – Gas Bill
Mr Black is looking at cheaper ways of paying for the
gas he uses.
He has received the following details from two
companies.
GASCOM
Standing charge per month: £1.00
Cost per kWh: £2.99
UGAS
Standing charge per month: £3.78
Cost per kWh: £2.38
Mr Black estimates that he will use 4000 kWh in the
next 3 months.
From which company would his gas bill be cheaper and
by how much?
Hint
Step 1:
Work out the cost of
the 4000kWh for
each of the
companies.
Probability
Mr Black is looking at cheaper ways of paying for the
gas he uses.
He has received the following details from two
companies.
Hint
Step 2:
Work out the cost of
the standing charge
for each company
GASCOM
Standing charge per month: £1.00
Cost per kWh: £2.99
UGAS
Standing charge per month: £3.78
Cost per kWh: £2.38
Mr Black estimates that he will use 4000 kWh in the
next 3 months.
From which company would his gas bill be cheaper and
by how much?
End of Problem
Return to Menu
Probability
Mr Black is looking at cheaper ways of paying for the
gas he uses.
He has received the following details from two
companies.
Hint
Add on the standing charge at
the end
GASCOM
Standing charge per month: £1.00
Cost per kWh: £2.99
UGAS
Standing charge per month: £3.78
Cost per kWh: £2.38
Mr Black estimates that he will use 4000 kWh in the
next 3 months.
From which company would his gas bill be cheaper and
by how much?
End of Problem
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