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what's the calculation i'm looking for here, maths dweebs?
the grand total is £200. VAT is 20% of the subtotal. How do I calculate the subtotal.
GT=ST+(ST*VAT)
200=ST+(ST*0.2)
bla bla
the grand total is £200. VAT is 20% of the subtotal. How do I calculate the subtotal.
GT=ST+(ST*VAT)
200=ST+(ST*0.2)
bla bla