You buy 3.9 pounds of trail mix.
The mix costs $2.74 per pound.
What is the total price for the trail mix?
$2.74 * 3.9 = $10.686 but there's no such thing as 0.006 of a dollar. We round.
$10.686 = $10.69
Price for trail mix is $10.69
$\$2.74*3.9 =10.686$$\approx$10.69
