Respuesta :

sweetchrono
7/15-
There are 15 tiles in total. Three of them are yellow and four of them are green.

You add 3+4, and get 7. You put 7 over the total amount of tiles in the bag, which leads to 7/15.
lenarystark

Answer:

7/15

Step-by-step

The total amount of tiles is 15, then the total number of green and yellow tiles is 4 +3 = 7. Which means that the probability that you will get green or yellow tiles is the toltal amount of tiles of green and yellow tiles combined which is 7, compared to the total number of all tiles which is 15

7/15

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