An electric company charges per quarter as follows: a fixed charge of 50 and a charge of 3.50 per unit of current used.
a) Calculate the charge for 460 units of electricity
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An electicity company charges per quarter as follows: a fixed charge of #50 and a charge of #3.50 per unit of current used (a) calculate the charge for 460 units of electricity (b) If VAT of 5% is ... y = 3.50x + 50 (a) now just plug ...
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