Question

A spider climbs 10 ft in 3 mins but slips down 3 ft in the next
minute. He then continues climbing up 8ft in every minute.
How much total time will the spider take to climb a wall of 39
ft?​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

5.2 secs or 0.0867 mins

Step-by-step explanation:

Distance covered in 3 mins= 10 ft

Distance slipped down= 3 ft

So Distance the spider is high=10-3

=8 ft

From 8ft he starts climbing 8ft per minute

If he covers 8 ft per minute then 1 ft= 8/60 secs

So time covered for climbing 39 ft=8/60×39 secs

5.2 secs