A train traveling 50 mph left a station 30 minutes before a second train running at 55 mph. If 55x represents the distance the faster train travels, which of the following algebraic expressions represents the distance of the slower train? 50 (x + 0.5) 50 (x-0.5) 50 (0.5-x)

Question

Mathematics

Simone Arellano

22 May, 21:03

A train traveling 50 mph left a station 30 minutes before a second train running at 55 mph. If 55x represents the distance the faster train travels, which of the following algebraic expressions represents the distance of the slower train? 50 (x + 0.5) 50 (x-0.5) 50 (0.5-x)

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Answers (1)

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Jeffrey Phillips · Answer 1

Equation:

distance = distance

50x = 55 (x - (1/2)

50x = 55x - (55/2)

-5x = - 55/2

x = 11/2

x = 5 1/2 hrs (time at which the 2nd train overtakes the 1st train)