$40 with 20% tax
To calculate the amount of tax, multiply $40 by 20%:
Tax = $40 * 20% = $8
Adding the tax to the initial price gives the total amount:
$40 + $8 = $48
Tax = $40 * 20% = $8
Adding the tax to the initial price gives the total amount:
$40 + $8 = $48