Question

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?

Answer 1

Answer:

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. $\dfrac{2}{5}\times 30$  play chess

i.e. 12 students play chess

5/6 of the students play Sudoku.

i.e. $\dfrac{5}{6}\times 30$  play Sudoku

i.e. 25 students play Sudoku

Hence, 12 students play chess

and 25 students play Sudoku