Respuesta :
Desired over total number of marbles
[tex] \dfrac{9}{30} [/tex]
You can divide by 3 to simplify
[tex] \frac{3}{10} [/tex]
[tex] \dfrac{9}{30} [/tex]
You can divide by 3 to simplify
[tex] \frac{3}{10} [/tex]
There are 30 marbles in the bag all together. 9 of them are red, so the probability of pulling a red one is. 9/30 .