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Montano1993 [528]
3 years ago
13

A "Local" train leaves a station and runs at an average rate of 35 mph. An hour and a half later an "Express" train leaves the s

tation and travels at an average rate of 56 mph on a parallel track. How many hours after the Express train starts will the it overtake the Local?
Mathematics
2 answers:
Phantasy [73]3 years ago
8 0
Hello,

Let's assume x the time the express runs.

56*x=35*(1.5+x)
==>21x=52.5

==>x=2.5 h =2 h 30 min
Bogdan [553]3 years ago
3 0
X=2.5 h =2 h. 30 min.
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