Alex Is Sent A Gas Bill Every Three Months One Quarter Of A Year Gas Suppliers C

Alex is sent a gas bill every three months (one

quarter of a year).

Gas suppliers charge by the number of kilowatt

hours (kWh) used each quarter.

Show that Alex will pay about £42, including

VAT, for the first 1143 units of gas he uses in

each quarter. (Information in pic)

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