Question

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

Answer 1

Answer:

☄she takes 40 seconds to climb 60 stairs.☄

Step-by-step explanation:

☄she climbs stairs in every 1 second = 5 ☄

☄she climbs down stairs in every 1 second = 2☄

☄Time taken 1+1 = 2 seconds ☄

☄stairs climbed in 2 seconds = 5-2= 3 Stairs☄

☄3 ÷ 60 = 20 ☄

☄2×20 = 40 ☄

⚡Hope it helps.⚡