Lina runs 5 laps around the track in 6 minutes if Lina runs 21 laps around the track at the rate, how long does it take Her?
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Answer:-
25.2 minutes
Step-by-step explanation:
Time taken to complete 5 revolutions = 6min = 6×60 sec = 360 sec
Therefore, time taken to complete 1 revolution = 360 ÷ 5
= 72 seconds
Now, Time taken to complete 21 revolutions = 21 × 72 = 1512 seconds
= 25.2 minutes
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