Sara can finish 5 laps around the track in 6 minutes. What is her average speed in miles per hour, if it takes 12 laps around the track to r

Question

Sara can finish 5 laps around the track in 6 minutes. What is her average speed in miles per hour, if it takes 12 laps around the track to run a mile?

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Hồng Cúc 4 years 2021-07-20T22:16:53+00:00 1 Answers 39 views 0

Answers ( )

  1. trucchi
    0
    2021-07-20T22:18:36+00:00
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    9514 1404 393

    Answer:

      4 1/6 miles per hour

    Step-by-step explanation:

    6 minutes is 1/10 hour, so Sara’s speed is …

      speed = distance/time

      speed = (5/12 mi)/(1/10 h) = 50/12 mi/h

      speed = 4 1/6 mi/h

    Sara’s speed is 4 1/6 miles per hour.

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