Lenore lives in a state where sales tax is 10%. This means you can find the total cost of an

Lenore lives in a state where sales tax is 10%. This means you can find the total cost of an item,

including tax, by using the expression ( + 0.10c, where c is the pre-tax price of the item.
Use the expression to find the total cost of an item that has a pre-tax price of $84.00.


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