227k views
3 votes
gavin and play a game with 20 numbered balls. The 20 balls are numbered from 1 to 20. Write down the probability that the score is a multiple of 3.​

2 Answers

2 votes

Answer:


(3)/(10)

Explanation:

The multiplies of 3 from 1-20 are:

3, 6, 9, 12, 15, 18

Since there are
20-1+1=20 numbers from 1-20 inclusive, the probability that a ball is a multiple of 3 is
(6)/(20)=\boxed{(3)/(10)}

2 votes

Explanation:

6/20

3/10 (simplified)

do you want the percentage?

User Zyberzero
by
3.8k points