SOLUTION: this is for help with my daughters homework the question is every mile marker is a thousand feet and you passed mile marker 8 at 3:10 and mile marker 20 at 3:14 what was your avera

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Question 532951: this is for help with my daughters homework the question is every mile marker is a thousand feet and you passed mile marker 8 at 3:10 and mile marker 20 at 3:14 what was your average speed
Answer by scott8148(6628)   (Show Source): You can put this solution on YOUR website!
you traveled 12000 ft in 4 min or 3000 ft/min

5280 ft in a mile and 60 min in an hour

(3000 ft/min) * (60 min/hr) / (5280 ft/mi) = speed in mph

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