In ms. berkeley’s classroom 2/5 of the students play chess of the students to play chess 5/6 also play sudoku. if there are 30 students in ms barclays class how many play chess and sudoku?

There is 10 students that play chess and sudoku.

Step-by-step explanation:

In this case we have to use the fractions to multiply the total of the students and find what is asked, first we have to find how much students play chess, this is:

With this 12 students play chess, now from this students 5/6 play Sudoku, this is:

There is 10 students that play chess and sudoku.

6,250

step-by-step explanation:

to get the area, multiply 360 by 160.(57,600)

to find out how many bags of fertilizer it will take, first figure out how many square feet one bag can hold. divide 1000 by 8(125) to get the unit rate(how many square feet one pound of fertilizer can hold)and multiply it by 50(6250). if i haven't made a mistake, that is the answer.

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!