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OpenStudy (hoot_hoot):
Two trains left the same station at the same time and traveled in opposite directions. The E train averaged 130 km/h. The A train's speed was 110 km/h. In how many hours were they 480 km apart?
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OpenStudy (eliesaab):
In one hour, they will be 130+110=240 apart, can tthis help you answer your question?
OpenStudy (welshfella):
use the relation speed = distance / time
OpenStudy (welshfella):
the speed at which they are moving apart = 240 km/h
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