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If Ying Zyiyu covers the first 200 miles of a trip going at 50 mph and the last hundred going 40 mph, what was his average speed for the entire trip?

If Ying Zyiyu covers the first 200 miles of a trip going at 50 mph and the last hundred going 40 mph, what was his average speed for the entire trip?
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If Ying Zyiyu covers the first 200 miles of a trip going at 50 mph and the last hundred going 40 mph, what was his average speed for the entire trip?

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User YodasMyDad
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1 Answer

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He goes 50 mph for 200 miles, meaning he travels 200/50 = 4 hours.
He then goes 40 mph for 100 miles, meaning he travels 100/40 = 2.5 hours.
So, he travels 300 miles in 6.5 hours, meaning he goes 300/6.5 = 46.1538 mph.
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User Bharani
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