the selling price of of computer is the list price plus vat at 17.5%. the list price of a computer is 786. workout the selling price of the computer.
The selling price of another computer is 1292.50
workout the list price of this computer
selling price = 1.175(786) = ....
for the 2nd part, if the selling price = 1292.50
1292.50 = x(1.175) , where x is the list price
x = 1292.5/1.175 = ....