Solve the all parts of given question:
Question: Two cars travel in the same direction along a straight highway, one at a constant speed of 55 mi/h and the other at 60 mi/h.
Part A: Assuming they start at the same point, how much sooner does the faster car arrive at a destination 11 mi away?
_____min.
Part B: How far must the faster car travel before it has a 15 minute lead on the slower car?
_____mi.
I need help to find how much sooner the faster car arrives at a destination 11 mi away.