Acustomer buys three bottles of water at ninety nine cents each. there is seven percent tax on each bottle. what is the total bill?

If the tax was 7 cents then each bottle would cost 1.06 each, because tax doesn't mean it's three dollars plus tax which comes to 3.07, it's that if you have a water bottle coming out to 99 cents each and the tax was 7 cents, you add 7 to 99. Which in money, comes out to 1.06 each bottle. So the total bill is 3.18. 
I hope this helped! I don't wanna get your answer wrong! >o<

The total bill of each bottle plus tax would be $5.04

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