Question

An ant has to climb a 21 metre wall. Everyday she climbs 3metre and falls 2 metre . In how many days will she climb the wall? Plz reply fast

Answer 1

Answer:

19 days

Step-by-step explanation:

Ant's relative speed

(3-2)= 1m/day

if falls are included she will cover distance of 18m in 18 days but here she will climb or touch the top of the wall on her last day of climbing. So she on her last day of climbing the wall she will take 1 day to cover remaining 3m(fall might not happen if she holds the top of the wall on her last day of climbing) .

so time ant will take to climb 21m high wall= 18days + 1day = 19days

Answer 2

21Days

Step-by-step explanation:

3-2=1 she will take 21 days to climb the 21 meter wall