A train leaves Little Rock, Arkansas, and travels north at 85 kilometers per hour. Another train leaves at the same time and tra
vels south at 85 kilometers per hour.
How long will it take before they are 680 kilometers apart?
1 answer:
Answer:
4hours
Step-by-step explanation:
1hour =85+85
=170km/h
time= distance÷
speed=170km/h
680÷170=time
=4h
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