Posted by **Kay Kay** on Sunday, December 20, 2009 at 6:00pm.

substitute to find the value of the expression.

A train must cover a distance of 2398 miles. The velocity, in miles per hour, of the train is where t is the time,in hours, to complete the trip. If the train completes the trip in 22 hours what is it's velocity? A) 109 miles per hours B) 104 miles per hour C) .01 miles per hour D0 52,756 miles per hour.

thank you for any help.

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