£50 to fill up + 2.5% = £51.25 to fill up
That isn't right, you are paying 2.5% more VAT, not 2.5% more on the whole lot.
(50 / 1.15) * 1.175 = 51.09. I don't know why everyone seem to get that wrong, but anyway it's an even smaller difference when calculated properly.



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