SOLUTION: Hi From his home at A Bob drove to B at average speed of 75km per hour. From his home at C Tom drove to B via A at average speed of 85km per hour. Distance from C to A i

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Question 1162021: Hi
From his home at A Bob drove to B at average speed of 75km per hour.
From his home at C Tom drove to B via A at average speed of 85km per hour.
Distance from C to A is 18km. If they both left home at the same time after what length of time Tom overtake Bob.
Thanks
Found 2 solutions by solver91311, ikleyn:
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Hint: How long does it take to travel 18 km at the difference in their speeds, namely 10 km/hr?


John

My calculator said it, I believe it, that settles it

Answer by ikleyn(52814) About Me  (Show Source):
You can put this solution on YOUR website!
.

For  introductory  lessons on Travel and Distance,  see
    - Travel and Distance problems
    - Travel and Distance problems for two bodies moving in opposite directions
    - Travel and Distance problems for two bodies moving in the same direction (catching up)
in this site.

Consider these lessons as your textbook,  handbook,  guidebook,  tutorials and  (free of charge)  home teacher.

Learn the subject from there and become an expert in the area  (!)