Question

) Pole vaulting is an event in which a person uses a long, flexible pole as an aid to
jump over a bar. Pole vaulting competitions were known to the ancient Greeks,
Cretans and Celts. It has been a full medal event at the Olympic Games since
1896 for men and 2000 for women. Yelena Isinbayeva takes a huge leap to
jump over the bar which is placed 20 m above the ground. In her first attempt,
she can cover 4.5 m. In each successive attempt, she improves 1.5 times the
previous attempt. In how many attempts will she be able to clear the bar?​

Answer 1

Answer:

it's to big for me so I can't do it

Answer 2

Answer:

12 attempts , U can do this through arithmetic progression