Two friends are training for a marathon together. Billie is faster than Joey, so they agree to giving Joey a half-hour head start, Joey leaving their warm up at 1:30. Joey runs a 3 minute mile (an average of 20 mph), and Billie runs at an average of 50 mph. When will Billie catch up to Joey?	Choose the correct option:  A) 3:00  B) 3:30  C) 4:00  D) 4:30  E) 5:00
Distance covered by the Joey in 1/2 hour = 20 miles   Now, 10 miles is compensated in 1 hour   Therefore 20 miles will be compensated in 2 hours   So, Billie meets Joey at 4 p.m.   4:00orrect Answer: 4:00
<result>C</result>
Two friends are training for a marathon together. Billie is faster than Joey, so they agree to giving Joey a half-hour head start, Joey leaving their warm up at 1:30. Joey runs a 3 minute mile (an average of 20 mph), and Billie runs at an average of 50 mph. When will Billie catch up to Joey?