What is the main offensive strategy used in jujitsu? to know all the moves and holds and how to escape from them
to get an opponent into a hold and get them to submit
to score as many points as possible against an opponent using grappling moves
to gain an advantage or cause injury to an opponent

To know all the moves and holds and how to escape from them

to get an opponent into a hold and get them to submit

to score as many points as possible against an opponent using grappling moves

to gain an advantage or cause injury to an opponent

      x/140 = 25/100

we need to find the x to find the x multiply 140 and 25

and what do you get 3500.   and what is 3500 divided by 100

= 35

b is the correct answer