Answer:
Velocity=Speed/Time
s = 150/2.5 = 60 miles per hour
To cover 270 miles, it will take
270/60 = 4.5 hours
Answer:
the answer is c. next time figure it out on your own..
hmmm let's find the distance between B and C first off.

hmmm if BC is that much, then AB + AC = 7, since AB + AC + BC = 12 which is the perimeter, Check the picture below.