Question

Gary is buying an item that costs x dollars. The sales tax where he lives is7.88%. Write an algebraic expression to represent the total cost including thesales tax.

Answer 1

For this case we want to find an expression to represent the total cost for an item including the sales tax. We know for this case that the tax is 7.88%, and we can write the following function:

`C=x(1+0.0788)`

And that represent:

`C=1.0788x`

And that would be our final solution.