When understanding ratios, we need to know that it compares two quantities.
Remember this:- A ratio does NOT include units. It only compares two quantities.
Three ways to write a ratio:-
3/5 3:5 3 to 5
Example:- The ratio of boys to girls is 4 to 6.
Write a ratio.
4:6 or 4/6 or 4 to 6.