Percent speed and Distance

Percent and Speed, Time & distance:

1. Car X and car Y travelled the same 80- mile route .If car X took 2 hours and car Y travelled at an average speed that 50 percent faster than the average speed  of car X, how many hours did it take car Y to travel the route?

(A)      (B) 1     (C) 1      (D) 1      (E) 3

2.On a certain road , 10 percent of the motorists exceed the posted  speed limit and receive speeding tickets , but 20 percent of the motorists who exceed the posted speed limit do not receive speeding tickets .what percent of the motorists on that road exceed the posted sped limit? What percent of the motorists on that road exceed the posted speed limit?

(A) 10 %        (B) 12   %       (C) 15 %     (D) 22 %     (E) 30 %