Lalita can walk at 6m/s or cycle at 25 m/s To cover a distance of 650 m using a combination of the two modes of transport she takes 45 s How long did lalita cycle?
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Answer:
answer is 20 sec
Step-by-step explanation:
Let us assume time taken to run be t1 and cycle be t2
By question, t1+t2=45s
So,
Total distance cover=6t1+25t2
650=6(t1+t2)+19t2
650=6*45+19t2
t2=20sec
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