If there are four red, five green and six yellow apples, how many selections of nine apples are possible if three red apples, three green apples and three yellow apples are to be selected?

Kristina, you have now posted at least 4 HOMEWORK questions. We do not do your homework for you. Do what work you can and we aill try and help.

You have asked 2 questions in this question.
The answer to nine selections question is 1600.
And answer to you red apple question is 3/7 .