A pair of shoes cost $50. You have a coupon for 20% off. What is the total cost of
the shoes after 5% sales tax is included?

Respuesta :

$42

Explanation:
20% off means you pay only 80%
80%*50$=0.8*=40$
5% tax:*40=0.05*40$=$2.00 tax
$40.00+$2.00=$42