Lin runs 5 laps around a track in 6 minutes. If Lin runs 21 laps at the same rate, how long will it take her?
2 answers:
Answer:
It will take 25.2 minutes for Lin to run 21 laps.
Explanation:
This question can be solved by a rule of three.
If takes Lin 6 minutes to run 5 laps. So how many minutes it is going to take for her to run 21 laps?
5 laps - 6 minutes
21 laps - x minutes
It will take 25.2 minutes for Lin to run 21 laps.
It would take about 25 minutes because 5•4 is 20 and each time around is 6 minutes.
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