Question

A herd of 37 horses has 4 white and some black horses. What is the ratio of black horses to all horses?

Answer 1

Use the same principle as here:

https://www.jiskha.com/questions/1823928/a-herd-of-20-horses-has-4-white-and-some-grey-horses-what-is-the-ratio-of-grey-to-all