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Erik ran 400 meters in 1 minute (60 sec). Convert Erik's average speed to kilometers per hour
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Erik ran 400 meters in 1 minute (60 sec). Convert Erik's average speed to kilometers per hour

User Ben Sefton
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Unit labels cancel just like numbers do....

(400m/1min)(km/1000m)(60min/hr)=24 km/hr
User Artyom Chernetsov
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