Tracyatelunchatarestaurant.Thebillcameto$86.57.Ifshelefta20%tip,whatwasthetotalcostofherlunch? Round your answer to the nearest cent: $
To find the total cost of Tracy's lunch, we need to add the bill amount and the tip amount.
The tip amount is 20% of the bill amount, which is: 0.20 * $86.57 = $17.31
Therefore, the total cost of Tracy's lunch is: $86.57 + $17.31 = $103.88
Rounded to the nearest cent, the total cost of Tracy's lunch is $103.88.