Answer:
143.75
Explanation:
The tip is the cost times the tip rate
tip = cost * rate
The cost is 125 and the rate is 15%
tip = 125 * 15%
Change this to decimal form
tip = 125 *.15
= 18.75
The total bill is the cost plus the tip
total bill = cost + tip
= 125 + 18.75
= 143.75