x is a letter there. on the internet, "times" in maths is written *
As for this problem, i'm not american, so I'm not 100% sure I fully understood the sentences
(Zonal values is the range of prices?) and Z is the tax the seller has got to pay once he sells the stuff?
However, I could do those stuff :
If the seller is clever, he will try to get profit from its sales, so that,
Z=(6%)C because he will sell at his selling price (C); which is higher than B (which is the market price which is under C if he wants to make profit)
If the buyer has got to pay the tax (Z), he will have to pay (Tax+selling price):
Z+C=C+(6%)C= (106%)C (106% of the price the seller wanted to sell the stuff for), the seller will get (C-B)$, since he bought the stuff for B$ and sells C$ and the rest will go as a tax.
106%C-Z=C so the seller should get ((106%C-Z)-B)$ profit, and the buyer pays (106%C) and get the item
Should be this
Nevertheless, I didn't implement A to esuations so I don't think it is ok :/.. I don't know what "zonal values" mean so..
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