SOLUTION: A freight train is making a trip that is 192 miles. It has traveled 2 hours and 15 minutes at an average speed of 52 mph. ( It continue to travel at a constant speed. ) How much lo

Algebra ->  Percentages: Solvers, Trainers, Word Problems and pie charts -> SOLUTION: A freight train is making a trip that is 192 miles. It has traveled 2 hours and 15 minutes at an average speed of 52 mph. ( It continue to travel at a constant speed. ) How much lo      Log On


   

Question 1012177: A freight train is making a trip that is 192 miles. It has traveled 2 hours and 15 minutes at an average speed of 52 mph. ( It continue to travel at a constant speed. ) How much longer will it take until the train arrives at its destination?
Found 2 solutions by josgarithmetic, macston:
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
RT=D relates rate, time, distance.

How far did it go so far? How much more distance needed? How much time for this?

Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
.
Time_remaining+=+%28Total_distance+-+%28Time_traveled%29%28Rate%29%29%2FRate
.
Time_remaining+=+%28192mi-%282.25hrs%29%2852mph%29%29%2F52mph
.
Time_remaining+=+%28192mi-117mi%29%2F52mph
.
Time_remaining+=+75mi%2F52mph
.
Time_remaining+=+1.44hrs
.
ANSWER: The train will arrive in 1.44 hours.