If it takes 0.20 dollars to buy a mexican peso and 0.60 dollars to buy a brazilian real, then it takes pesos to buy one brazilian real.

It will takes 3  mexican pesos to buy one brazilian real .

According to the given condition

It takes 0.20 dollars to buy a mexican peso and 0.60 dollars to buy a brazilian real,

We have to determine that  it takes how many mexican pesos to buy one brazilian real.

This question can be solved by  applying the principles of unitary method

One peso will be bought in  $ 0.20

One real will be bought in $ 0.60

1 dollar is equivalent to

So it will take 3 pesos to buy one real

For more information please refer to the link given below

link

36/60

36/2=18

60/2=30

18/30

18/3=6

30/3=10

6/10

6/2=3

10/2=5

your final answer would be 3/5 of an

hope this !