SOLUTION: A train travels 45 mph for 4 hours and then decreases its speed to 35 mph for 3 hours. How far does the train travel in the 7-hour period?

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Question 275744: A train travels 45 mph for 4 hours and then decreases its speed to 35 mph for 3 hours. How far does the train travel in the 7-hour period?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
45*4+35*3
180+105=285 miles.