Each of miss jensen's students use a certain number of pencils per week of school. there are 22 students in her class. if there are 36 weeks of school and her students use 3,168 pencils in a school year, how many pencils does each student use per week? write and solve an equation for this situation.

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Step-by-step explanation:

the direct variation says that:

then the equation is of the form is given by:

            where k is the constant variation.

from the given table:

consider any value of x and m(x)=y

x = 2 and m(x)=y = 3

substitute these value in [1]; we have;

divide both sides by 2 we get;

⇒

check:

put x = -1 and m(x) = -1.5

substitute in the equation:

-1.5 = -1.5                   true

therefore, the function m(x) represents a direct variation

graph of this function as shown below:

i'm sorry i don't know

step-by-step explanation: