What is the ratio of trucks to cars15 cars to 23 trucks?

What is the ratio of trucks to cars15 cars to 23 trucks?
The order that you typed the expression "ratio of trucks to cars" is important. Whichever word came first, its number must come first. You have written it both ways, but using the expression "15 cars to 23 trucks" could be written in odds notation as "15:20" or fractional notation as "15/23".