1) Marvin took a 5 hours bicycle trip.In all,he travelled 120 km.What was his average rate of speed?

2) Pea and Sam leave their home at the same time.Pea has 180 km to travel and drives at 80 km/h.Sam has 200 km to travel and also drives at 80 km/h.
A.How long does Pea's journey take?
B.How much longer does Sam spend driving than Pea?​