8 out of 52. There are 4 nine cards and 4 heart cards. There are 52 cards in the standard deck. So it is an 8 out of 52 chance that you will choose either a heart or a nine.
.375 because 1/50= .02 and 1/10=.01 which are both less than .375
The ratios are equivalent because you multiplied 18:4 by 2&3. And also you divided it by 2. I had the same homework!
I could help if I had a picture of the problem
Answer:
3 blue, 3 green, 3 red, 9 in total