A gum ball machine has 25 red gum balls, 30 green gum balls, 15 yellow gum balls, and 20 blue gum balls. If Peter puts 1 coin in the machine and gets 1 gum ball, what is the probabllity that the gum ball will not be red?​

Respuesta :

Answer:

It should be 13/18

Step-by-step explanation:

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