Question 946982
Ed walks at a rate of 10ft in five seconds while Bob walks at a rate of 15ft in five seconds.
 If Ed has a head start of 25ft,after how many seconds will they be at the same spot?
:
the relative speed to each other: 15 - 10 = 5 ft in 5 sec
:
To cover 25 ft would take 5 * 5 sec or 25 seconds they would be at the same point