Text: 22. Biker A bikes 10 miles an hour. Biker B bikes 18 miles an hour. Each has 280 miles to complete this event. At this rate, how much sooner will biker B complete this event compared to biker A?
Added by Justin N.
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- Biker A bikes at a speed of 10 miles per hour, so it will take him 280 miles / 10 miles per hour = 28 hours to complete the event. - Biker B bikes at a speed of 18 miles per hour, so it will take him 280 miles / 18 miles per hour = 15.56 hours to complete the Show more…
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