Question

in bag contain 3 red ball , 4black and 9 green ball find black ball and non green ball​

Answer 1

Step-by-step explanation:

4 black⚫ ball

7 non green ball ⚽

Answer 2

Step-by-step explanation:

total balls : 16

black ball : 4/16 = 1/4

non green ball = 4+3/16 = 7/16