A bird flies at a top speed of 20,000 meters per hour. The bird flies 30,000 meters without stopping. a. For how many hours did the bird fly if it flew at top speed?

I'm terrible at math any here is appreciated.

Liam's parents are driving three times as fast as liam is biking, but they left later than he did. if his parents caught up with him two hours after he left, how much later than liam did they leave?

What is 1/2 x (6 x 4)+3 + 2 show your work