Question

The cost for Paul's lunch was $14.56. Paul left a tip of 15% of the cost of the lunch. He also paid sales tax of 7% of the cost of the lunch. What was Paul's total cost for the lunch, including tip and tax? Round your answer to the nearest hundredth.

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Answer 1

To calculate Paul's total cost for the lunch, including tip and tax, we can follow these steps:

1. Calculate the tip:
\[
\text{Tip} = 0.15 \times 14.56 = 2.184
\]

2. Calculate the sales tax:
\[
\text{Sales Tax} = 0.07 \times 14.56 = 1.0192
\]

3. Calculate the total cost by adding the cost of the lunch, tip, and tax:
\[
\text{Total Cost} = 14.56 + 2.184 + 1.0192
\]
\[
= 14.56 + 2.184 = 16.744
\]
\[
= 16.744 + 1.0192 = 17.7632
\]

4. Round to the nearest hundredth:
\[
\text{Total Cost} \approx 17.76
\]

Thus, Paul's total cost for the lunch, including tip and tax, is **17.76**.