Two cars start at the same time from opposite ends of a highway that is 45 miles long. One car is riding at 14 mph and the second car is riding at 16 mph. How long after they begin will they meet?	Choose the correct choice from the following choices:
A) 1
B) 1.2
C) 1.25
D) 1.35
E) 1.5

Rationale: "as cars are moving in opposite directions their speeds will be added . so their relative speeds : 16 + 14 = 30 mph total distance to be covered = 45 miles . time taken would be : 45 miles / 30 mph = 1.5 hours e is the answer ."
Answer: E