In ms barclay's classroom 2/5 students play chess. 5/6 of the students play sudoku. if there are 30 students, in her class how many play chess and sudoku?

12 students play chess

and 25 students play Sudoku

Step-by-step explanation:

There are 30 students in Ms Barclay's classroom.

2/5 students play chess.

i.e.  play chess

i.e. 12 students play chess

5/6 of the students play Sudoku.

i.e.  play Sudoku

i.e. 25 students play Sudoku

Hence, 12 students play chess

and 25 students play Sudoku

10000

step-by-step explanation: divide by 2,

a=24; b=12

step-by-step explanation:

a/b=2: 1

a=2b

36/(1+2)=12

b=12

a=24