Students at Gray Middle School plan to run a total of 2,561 mi. So far, the sixth grade has run 242.5 mi, the seventh grade has run 285.5 mi, and the eighth grade has run 240.2 mi. How many more miles must the students run to reach their goal? Please Help Needed ASAP

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:

hope this is what you were asking for!

step-by-step explanation:

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