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Mathematics, 16.12.2021 23:30 natalyarenassalgado

Mr shah is working out the cost of the electricity he used in April Mr Shah has to pay
20p for each of the first 70 units used in April
and 10p for each of all the other units used in April.
Work out the total cost of the electricity he used in April.

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Mr shah is working out the cost of the electricity he used in April Mr Shah has to pay
20p f...
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