Nina paid the bill for dinner with her family. The total cost of the food was 65 dollars , and the restaurant added an 8 percent sales tax, 5 point 2 0 dollars , to the bill. Nina wants to pay a 15 percent tip on the total bill including sales tax. What is the amount of the tip?
Add the sales tax to the food cost: $65.00 + $5.20 = $70.20. The tip is 15% of the total bill, so $70.20 × 0.15 = $10.53. The correct choice is $10.53.
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