Answer:
$17.02
Explanation:
You want to know the total bill when 3% sales tax is added to a $14 bill, and an 18% tip is added to that total.
With tax
The amount with tax is ...
$14.00(1 +.03) = $14.42
With tip
The amount of the tip is ...
$14.42 × 0.18 ≈ $2.60
Adding the tip brings the total to ...
$14.42 +2.60 = $17.02
Trenton will pay $17.02 in total.
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Additional comment
We get the same result here by multiplying the food amount by (1.03·1.18). Sometimes rounding intermediate values will change the total by a penny or so.
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