Question #8441f

1 Answer
Feb 6, 2017

See the entire solution process below:

Explanation:

"Percent" or "%" means "out of 100" or "per 100", Therefore 20% can be written as 20/100 and 25% can be written as 25/100.

When dealing with percents the word "of" means "times" or "to multiply".

We can now write this expression as:

(20/100 xx 90) -: (25/100 xx 36)

(20/100 xx 90)/(25/100 xx 36)

(1800/100)/(900/100) -> 18/9 -> 2