SOLUTION: A train travelling at 60 mph, arrives at a station 100 miles away 15 minutes later than schedule . At what speed should i travel to arrive exactly on time.
A) 65
B) 70
C) 75
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Question 622961: A train travelling at 60 mph, arrives at a station 100 miles away 15 minutes later than schedule . At what speed should i travel to arrive exactly on time.
A) 65
B) 70
C) 75
D) 80
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the time in minutes to arrive on schedule
Note that 15 min is 1/4 hr
= the actual time train arrived
hrs
To arrive on time, let speed =
mi/hr
I don't get the exact answers, but I
don't see any mistake- do you?
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