Dillon pays x dollars to get a haircut. He gives the stylist a 15% tip. The expression representing his total cost is x +
0.15x.
Which expression is equivalent and why?
A. 1.015x because adding 15% to the cost of the haircut is the same
as multiplying the cost by 1.015.
B. 1.15x because adding $15 to the haircut is the same as
multiplying the cost by 1.15.
C. 1.15x because adding 15% to the cost of the haircut is the same
as multiplying the cost by 1.15.
D. (0.15) because the cost of the haircut can be factored out