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When Lyn walks from home to school at a speed of 3 mph, it takes her 25 minutes. How long will it take her if she runs at a speed of 5 mph?
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When Lyn walks from home to school at a speed of 3 mph, it takes her 25 minutes. How long will it take her if she runs at a speed of 5 mph?
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Apr 15, 2019
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When Lyn walks from home to school at a speed of 3 mph, it takes her 25 minutes. How long will it take her if she runs at a speed of 5 mph?
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Jack Kada
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The distance from home to school is (3 mph)(25/60) hr, or 1.25 miles.
Now divide this 1.25 miles by 5 mph to get the time required at 5 mph:
1.25 mi
----------- = 0.25 hr, or 15 minutes.
5 mi/hr
Sstn
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Apr 16, 2019
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25 / (5/3) is 15, so 15 minutes
Sina Farhadi
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Apr 21, 2019
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Sina Farhadi
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