Reena climbs up 5 stairs every second and then climbs down 2 stairs ov

1.	Reena climbs up 5 stairs every second and then climbs down 2 stairs over the next second .How many seconds will she take to climb 60 stairs
Answer» ANSWER: IN 1 SECOND SHE CLIMBS UP 5 STAIRS IN THE NEXT SECOND SHE CLIMBS DOWN 2 STAIRS. THEREFORE, IN 2 SECONDS SHE CLIMBS 5-2 STAIRS=3 STAIRS. THIS IMPLIES THAT SHE CAN CLIMB 1 STAIR IN 2/3 SECONDS. THEREFORE, SHE CAN CLIMB 60 STAIRS IN 2/3*60 SECONDS = 40 SECONDS. HOPE IT HELPS YOU.

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

Answer»

ANSWER:

IN 1 SECOND SHE CLIMBS UP 5 STAIRS

IN THE NEXT SECOND SHE CLIMBS DOWN 2 STAIRS.

THEREFORE, IN 2 SECONDS SHE CLIMBS 5-2 STAIRS=3 STAIRS.

THIS IMPLIES THAT SHE CAN CLIMB 1 STAIR IN 2/3 SECONDS.

THEREFORE, SHE CAN CLIMB 60 STAIRS IN 2/3*60 SECONDS = 40 SECONDS.

HOPE IT HELPS YOU.

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

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