Answer:
2/3
Step-by-step explanation:
A number cube has 6 sides with 1,2,3,4,5,6
Multiple of 3 are 3,6.
So 2/6 is the probability of rolling a multiple.
6/6 (total probability of rolling everything) minus 2/6 (probability of rolling a multiple of 3)
equals 4/6.
4/6 simplified is 2/3 or 0.666666... or 66.6... %
