Question

The total cost of a compact disc, including a 6% sales tax, is $14.31.

What is the price before the tax?

$15.17
$13.50
$13.44
$13.45

Answer 1

old question but will respond to help out future users

let's let x = the price before tax

the total price can be expressed as

x + (6% of x) = $14.31

or, as a decimal

x + 0.06x = 14.31
solve for x