Which expression represents another method of computing the product given below? -5 1/4 x (-11/12)

A: (-5 x (-11/12)) + (-1/4 x (-11/12))
B: -11/12 x (5 - 1/4)
C: (-5 1/4) 11/12
D: (-1)(-5 x 11/12) + (-1/4 x 11/12)

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?