Answer:
$398.56
Step-by-step explanation:
First, multiply $18.80 by 20 to find the total amount without tax.
$18.80 * 20 = $376
Then, multiply that answer by 6%, or 0.06 to find the tax.
$376 * 0.06 = $22.56
Finally, add $22.56 to $376 to find the total cost of carpet.
$22.56 + $376 = $398.56
