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The total cost of the dinner with gratuity is $50.74Add the gratuity to the regular price.  Method 2: Add the percent of gratuity to 100%. 100% + 18% = 118% The total cost is 118% of the bill.  Method 1: Add gratuity to the regular price. Find the gratuity.

twvogels

Start by calculating just the gratuity by itself. We know its 18% of $43. Another way to write 18% is 0.18 so:
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So just the gratuity by itself is $7.74. If you want to know the entire bill you can add up the meal and the gratutiy like so

\(T= Meal + Gratuity\)
\(T = 43 + $7.74 = $50.74\)

Another way to do it is to recognize that you are paying for 100% of the meal and then paying antoher 18% AGAIN for a total of 118% or 1.18. If you do this you get the same answer:

\($43 \times 1.18 = $50.74\)

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