Respuesta :

Answer:

The answer to your question is $ 23

Step-by-step explanation:

Data

Initial cost = $20

tip = 15 %

Total payment

Process

1.- Calculate the 15% of $20, considering that $20 is 100%.

                         $20 ---------------- 100 %

                             x   ----------------   15%

                             x = (15% x $20) / 100%

                             x = $300 / 100

                             x = $3

2.- Total payment

           P = $20 + $3

           P = $23

3.- Conclusion

     Theresa payed $23 for the manicure

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