Angie's walking speed is 5 kilometers per hour, and May's is 4 kilometers per hour. Think about how the distance each girl walks is related to time. Identify the INDEPENDENT and DEPENDENT variable in this situation. Explain how you know.

The independent variable is the the distance they walk and the dependent variable is the amount of time it takes them.

Step-by-step explanation:

this is because the walking distance the variable that is being controlled by the people and the time is the outcome from the distance

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:

a. she will receive a refund of $278.

step-by-step explanation: