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On a trip to Sacramento, Shawna traveled 400 miles in 8 hours. The next time she made the same trip, it took 10 hours. How much faster was her average speed on her first trip?

On a trip to Sacramento, Shawna traveled 400 miles in 8 hours. The next time she made the same trip, it took 10 hours. How much faster was her average speed on her first trip?
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On a trip to Sacramento, Shawna traveled 400 miles in 8 hours. The next time she made the same trip, it took 10 hours. How much faster was her average speed on her first trip?

User Loganhuskins
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On her first trip, she went 50 miles per hour.  On the second trip, she went 40 miles per hour.  Meaning her speed was 10 miles per hour faster on the first trip than it was on the second.
User Yaniv De Ridder
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