388,548 views
17 votes
17 votes
Distance between Train 1 and Train 2 = 95 miles.

Average speed of Train 1 = 45 mph.
Average speed of Train 2 = 60 mph.
If both trains leave at the same time and travel toward each other but on parallel tracks, in how much time will their engines be opposite each other? (Hint: When the engines are opposite each other, together the trains will have traveled 95 miles. Their relative speed of travel is the sum of their respective speeds, or 105 mph.)
Travel time = hours.

User Xinit
by
2.7k points

2 Answers

22 votes
22 votes

Answer:

19

Explanation:

User Khotyn
by
2.8k points
16 votes
16 votes

9514 1404 393

Answer:

19/21 hours, about 54 minutes 17 seconds

Explanation:

The time is found from ...

time = distance/speed

time = (95 mi)/(105 mi/h) = 95/105 h = 19/21 h

The trains will meet after 19/21 hours, about 54 minutes, 17 seconds.

User Ali Irawan
by
2.9k points