Ava paid $73.20 in sales tax.
Step-by-step explanation:
Given,
Shipping charges = $7.99
Per ounce charges = $30.50
Charges of 40 ounce = 40*Per ounce charges
Charges of 40 ounce = 40*30.50 = $1220
Sales tax = 6%
Amount of sales tax = 6% of charges of 40 ounce
Amount of sales tax = [tex]\frac{6}{100}*1220[/tex]
Amount of sales tax = [tex]0.06*1220 = \$73.20[/tex]
Ava paid $73.20 in sales tax.
Keywords: sales tax, multiplication
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