[electricity bill charges :
first 100 units - 24p per unit
remaining units - 16p per un...
Mathematics, 06.11.2019 20:31 corlissquillen13
[electricity bill charges :
first 100 units - 24p per unit
remaining units - 16p per unit]
mrs watt checks her electricity bill.
here are her meter readings :
new readings - 7143 units
old readings - 6997 units
calculate the cost of the number of units used?
Answers: 1
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