Billy and John started jogging from the same point. John started jogging 7 minutes earlier than Billy. Billy's jogging speed was 450 m/min and John's jogging speed was 300 m/min. They went in the same direction and did not change their speeds throughout.

1. How long did it take for Billy to catch up with John? 
2. What distance would John have jogged when Billy caught up with him?  Express your answer in meters.

	Billy	John
Speed	450 m/min	300 m/min
Start time		7 min earlier
Extra distance covered at first		2100 m

(a)
Distance that John covered when he jogged 7 minutes earlier
= 7 x 300
= 2100 m

Distance that Billy covered more than John per min
= 450 - 300
= 150 m

Time that Billy needed to take to cover the additional 2100 m
= 2100 ÷ 150
= 14 min

(b)
Time that John would had jogged when Billy caught up with him
= 14 + 7
= 21 min

Distance that John would have jogged when Billy caught up with him
= 21 x 300
= 6300 m

Answer(s): (a) 14 min; (b) 6300 m