S3. Reena climbs up 5 stairs every second and then climbs down 2 stair

1.	S3. Reena climbs up 5 stairs every second and then climbs down 2 stairs over the next second. How manyseconds will she take to climb 60 stairs??
Answer» Answer: Answer: She will CLIMB 60 stairs on 39 seconds. The NET climb for Reena is 3 stairs per 2 seconds. So she should take (60/3) *2=40 seconds

S3. Reena climbs up 5 stairs every second and then climbs down 2 stairs over the next second. How manyseconds will she take to climb 60 stairs??

Answer»

Answer:

Answer: She will CLIMB 60 stairs on 39 seconds. The NET climb for Reena is 3 stairs per 2 seconds. So she should take (60/3) *2=40 seconds

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S3. Reena climbs up 5 stairs every second and then climbs down 2 stairs over the next second. How manyseconds will she take to climb 60 stairs??​

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S3. Reena climbs up 5 stairs every second and then climbs down 2 stairs over the next second. How manyseconds will she take to climb 60 stairs??