Question #84b98

1 Answer
Jan 18, 2018

$19.53

Explanation:

The original price of the shirt is $20, and since there's a 10% discount on its sales price, the sales price is now only 90% of the original cost:

$20 * (100% - 10%) = $20 * 90% = $18

The sales price is now $18, before the tax has been applied. After the tax is applied, Martin has to pay not only the $18, but also 8.5% of that $18 (because the tax is 8.5%):

$18 + $18*8.5% = $18 + $1.53 = $19.53

So, in total, Martin must pay $19.53