Question

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.​

Answer 1

Answer:

$\frac{3}{10}$

Step-by-step 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 $\frac{6}{20}=\boxed{\frac{3}{10}}$

Answer 2

Step-by-step explanation:

6/20

3/10 (simplified)

do you want the percentage?