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37 votes
37 votes
A train leaves Little Rock, Arkansas, and travels north at 85 kilometers per hour. Another train leaves at the same time and travels south at 85 kilometers per hour.

How long will it take before they are 680 kilometers apart?

User Garth Humphreys
by
2.8k points

1 Answer

9 votes
9 votes

Answer:

4hours

Explanation:

1hour =85+85

=170km/h

time= distance÷

speed=170km/h

680÷170=time

=4h

User Rorie
by
3.1k points