SOLUTION: two trains left the same station at the same time and traveled in opposite directions. the E train avereged 130km/hr. The A train's speed was 110km/h. In how many hours were hey 48

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Question 82313: two trains left the same station at the same time and traveled in opposite directions. the E train avereged 130km/hr. The A train's speed was 110km/h. In how many hours were hey 480km apart?
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
130T+110t=480
240T=480
T=480/240
T=2 HOURS THEY WILL BE 480km APART.
PROOF
130*2+110*2=480
260+220=480
480=480