Given :
A 18-mile taxi ride takes 21 minutes and costs $12.60.
To Find :
The cost of a 39- mile taxi ride. What unit price do you need.
Solution :
Unit price per mile :

Cost of 39 mile taxi ride :

Therefore, unit price is $27.3 and unit price is $0.7 / mile .
Hence, this is the required solution.
Answer:
99
Step-by-step explanation:
Since given, < 100.
So,
100 - 1 = 99
You already have the answer in the question
150; because 6-11 is almost 180, but it’s not quite there, so it’s a little less