a truck traveling 60mph is overtaking another truck travelin

a truck traveling 60mph is overtaking another truck traveling at 50mph. The slower truck is one-eighth of a mile ahead, how long will it take the faster truck to overtake the slower truck?

Solution

It\'s gaining on the lead truck at 10 mph (60-50).
(1/8)/10 = 1/80 hour
= 3/4 minute
= 45 seconds