Question 263122
Tom took a trip of 1,300 miles. He traveled by train at 50 miles an hour and the same number of hours by plane at 275 mph. How many hours did the trip take?
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Let the number of hours traveled by train be "x".
The x = the number of hours traveled by plane. 
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Equation:
train distance + plane distance = 1300 miles
50x + 275x = 1300
x(325) = 1300
x = 4 hours
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The trip took 8 hrs.
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Cheers,
Stan H.