There are two ways to find the total with tax
Either you can do
cost + cost x tax rate
or
cost x (1+tax rate)
Since the second one requires less steps, it's easier to do that.
[tex]C = 15.99\times(1+.08)\\C= 15.99\times(1.08)\\C =17.2692\\C\approx17.27[/tex]
The cost with tax is
$17.27
