climb of 5 stairs every second and then climb down 2 stairs over the next second .how many seconds will she take to climb 60 stairs
Answers
Answered by
16
Hey dear!
Here is yr answer......
She climbs 5 stairs every second
Also climbs down 2 stairs every second
She climbs ____ stairs in 180 sec
So,
5 × 60 = 300
2 × 60 = 120
= 300-120
= 180
So,
she climbs 60 stairs in 180 sec
Hope it hlpz...
Here is yr answer......
She climbs 5 stairs every second
Also climbs down 2 stairs every second
She climbs ____ stairs in 180 sec
So,
5 × 60 = 300
2 × 60 = 120
= 300-120
= 180
So,
she climbs 60 stairs in 180 sec
Hope it hlpz...
jdhd:
she climb 60 stairs in 180 sec.
Answered by
10
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.⚡
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