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. 
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
To find all the possible combinations, you will multiply all the choices together because you can groups each choice with any of the other.
4 x 6 x 2 x 3 = 144
There are 144 choices.
Think of the first option, you can combine 1 small toy with any of the other options for each toy.
It would be 1/4 of the original volume
step 1: distributive property.
step 2: combine like terms.
step 3: subtraction property of equality.
step 4: addition property of equality.
step 5: division property of equality.
hope this helps.
Answer:
no it is 0.4
Step-by-step explanation:
5x(2-4)=2(5x-4)
10x-20x=10x-8
-20x=-8
20x=8
10x=4
x=0.4
