total price including tax is $13359.60 from a student Hi,The amount that you paid, $13359.60, is made up of two parts, the price on the price tag, call it $P, and the tax which is 8% of $P. If you can find $P then you can calculate the tax, it is 8% of $P, that is ^{8}/_{100} x $P.
What you know is that =$P + ^{8}/_{100} x $P =$P + 0.8 $P = (1.08) $P
