Answer: The correct option is
(A) 0.30(60).
Step-by-step explanation: Given that Mrs. Benton treats herself to a day at Nail Spa. The services she receives are a manicure for $25 and a pedicure for $30.
She also asks for a special nail polish that costs $5.00 extra. She decides to leave a 30% tip.
We are to select the expression that can be used to calculate the tip.
The total cost for the treatment of Mrs. Benton is given by

Since she decides to leave a 30% tip, so the amount of the tip is given by

Thus, the correct option is (A) 0.30(60).