Mary roller skates with a constant speed of 8 km/h. How long will she take to travel a distance of 16 kilometres?
1 answer:
Mary has a speed of 8 kilometers per hour, you multiply 8 km/h by 2 to get 16 kilometers and 2 hours. It will take her 2 hours to travel 16 km
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Answer:
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Step-by-step explanation:
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