Answer:
SSS
Step-by-step explanation:
It would be C because it is right
We are given:

First step is to get rid of fractions. We start by multiplying both sides by a.

Now we cancel a on right side and we multiply both sides by c.

After canceling c on the right side we are left with:
12/15=4/5 original speed
12/20=3/5 increase by 5mph
He will reach 12 minutes earlier than he goes 15 miles per hour.
Correct me if I am wrong.
Answer:
9 5/6
Step-by-step explanation:
brainliest plz