Electricity Bill Charges
First 200 units 22p per unit
Remaining units 15p per unit
Mr P...
Mathematics, 10.01.2021 18:20 sophiaaafaline
Electricity Bill Charges
First 200 units 22p per unit
Remaining units 15p per unit
Mr Powers checks his electricity bill.
Here are his meter readings.
New reading:
Old reading
6538 units
6245 units
a)
Use subtraction to calculate the number of units used.
b)
Calculate the cost of the number of units used.
Answers: 2
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