Y= 2x + 1 for
If sales tax is 6%, the equation for the total cost c of an item
is c= 1.06p, where p is the price of the item before tax.
What is the total cost of a $20 shirt, including sales tax?

$21.20

Step-by-step explanation:

To solve this problem, we can use the equation provided in the question:

c = total cost

p = price (before tax)

Now, lets plug in the values into the equation:

The total cost of the $20 shirt including sales tax is $21.20.

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