SOLUTION: two trains simultaneously left moscow and sverdlovsk, and traveled towards each other. the first traveled at 48 km per hour and the second at 54 km per hour. how far apart were the

Question 393006: two trains simultaneously left moscow and sverdlovsk, and traveled towards each other. the first traveled at 48 km per hour and the second at 54 km per hour. how far apart were the two trains 12 hours after departure if it is 1822 km from moscow to sverdlovsk?
Found 2 solutions by stanbon, mananth:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
two trains simultaneously left moscow and sverdlovsk, and traveled towards each other. the first traveled at 48 km per hour and the second at 54 km per hour. how far apart were the two trains 12 hours after departure if it is 1822 km from moscow to sverdlovsk?
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Closing speed for the two trains is 48+54 = 102 km/hr
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After 12 hrs they had covered 12*102 = 1224 km
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They were 1822-1224 = 598 apart
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Cheers,
Stan H.
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
two trains simultaneously left moscow and sverdlovsk, and traveled towards each other. the first traveled at 48 km per hour and the second at 54 km per hour. how far apart were the two trains 12 hours after departure if it is 1822 km from moscow to sverdlovsk?
..
Train A 48 km /h distance traveled in 12 hours = x km
Distance = speed * time
it has traveled 576 km
Train B 54 km/h distance traveled in 12 hours =
Train B has traveled 12*54 km= 648 km
Distance apart = 1822 - (576+648)
= 598 km
...
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