mfowler4133 mfowler4133

02-03-2020
Mathematics

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A train goes twice as fast downhill as it can go uphill, and 2/3 as fast uphill as it can go on level ground. If it goes 120 mph downhill, how long will it take to travel 45 miles on flat land

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nwandukelechi nwandukelechi

03-03-2020

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