PLSS HELP ASAP two trains are moving on parallel railways with the same direction. Width of first train is 200meters and
speed 36km/h, second - 400meters speed 108km/h. Find the time, when second train paasses first.
a) 40sec
b) 50sec
c) 60sec
d) 30sec
e) Osec

Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination.at the turning point, how far is the second student from the destination?

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