The Distance Between City a and City B Is 762

Multiple Choice

The distance between city A and city B is 762 miles. A semi-truck leaves city A and travels toward city B at 49 miles per hour. At the same time, a minivan leaves city B and travels toward city A at 78 miles per hour. How long will it take the two vehicles to meet?

A) 49 hours
B) 55 hours
C) 127 hours
D) 133 hours
E) 6 hours