SOLUTION: greg rode the train between two cities that were 450 miles apart. there were 6 stops between the two cities. the train stays at each stop for 10 min. if greg needs to arrive at his

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Question 951205: greg rode the train between two cities that were 450 miles apart. there were 6 stops between the two cities. the train stays at each stop for 10 min. if greg needs to arrive at his destination in less than 4 hours, at least how fast must the train be traveling when it is moving?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
There are 6 +10+ min delays
+6%2A10+=+60+, or 1 hr
Greg can only spend +4+-+1+=+3+ hrs
traveling.
+450%2F3+=+150+
He needs to travel at least 150 mi/hr