Answer :

Consider that the total expenditute made by Maria includes the cost (B) of the bill and the tip (T) paid for the dinner.

Given that the bill is $13.53, while the tip is 15% of the bill, the actual amount paid as tip is calculated as,

[tex]T=\frac{15}{100}\times13.53=2.0295\approx2.03[/tex]

Then the total cost (C) of the dinner is given as,

[tex]C=B+T=13.53+2.03=15.56[/tex]

Thus, the dinner costs $15.56 to Maria.

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