Ratio: 4:5 or 4/5
This means that for every 4 males, there are 5 females
There are 160 males at the fair, so divide 160 by 4 to get 40
Then, multiply 40 by 5 to get 200
That means that if there are 160 males at the fair, there are 200 females.
I hope this helps! :)
