Question

Thirty students did a test and 1/3 of them failed. How many students passed?

Answer 1

Answer: 20 students passed

Explanation:

30 of 1/3 is 10
And 1/3 of them failed so, 30-10=20
Also to get 10. you can divide 30 by 3 which equals 10.

Answer 2

20 students passed.

1/3 of 30 is 10 since 10 x 3 is 30. Since 10 have not passed , the rest of 30 is 20.