You purchase two bottles of and a hat. The hat costs $6.50. You pay 6% sales tax. You pay a total of $16.43. How much does one bottle of sunscreen cost?
price + 6%of price = 1.06*price total price = 16.43 divided by 1.06 gives a pretax total of 15.50 Subtract 6.50 for the hat leaves 9.00 if 2 bottles of sunscreen total 9.00, then each bottle cost $4.50.