Final answer:
To find the total amount, including sales tax and tip for Patricia's bill, we need to add the bill amount, the sales tax, and the tip. The total amount is $39.69. Therefore, Patricia should receive $10.31 in change.
Step-by-step explanation:
To find the total amount, including sales tax and tip, we need to add the cost of the bill, the sales tax, and the tip. First, we calculate the sales tax by multiplying the bill amount by the tax rate. In this case, the bill amount is $32.80 and the tax rate is 6%, so the sales tax is $1.97. Next, we calculate the tip by multiplying the bill amount by the tip rate. The tip rate is 15%, so the tip amount is $4.92. Finally, we add the bill amount, the sales tax, and the tip to find the total amount. The total amount is $32.80 + $1.97 + $4.92 = $39.69. Therefore, Patricia should receive $50 - $39.69 = $10.31 in change.