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selena babysits on the weekends. the equation y= 12x represents the amount of money she earns . what is the constant rate of proportionality?

Verified Answer :

I believe below are the choices, it can be found elsewhere. 

A. 1 B. 6 C. 12 D. 24

The constant rat of the proportionality of Selena is letter C which is 12. 
To get the answer, the equation should be y = 12x 
we can fill in the table for x and y.
(we know that to obtain the y, we have to multiply the x, times 2.
So if x was for example 1, then y is 12.)

The y in this case represents the earnings, per each week x.

x   f(x)
0   0
1   12
2    24
3    36
4    48
5    60

Answer:

12

Step-by-step explanation:

We have been given that Selena babysits on the weekends. The equation \(y=12x\) represents the amount of money she earns. We are asked to find the constant of proportionality.

We know that two proportional quantities are in form \(y=kx\), where, y is proportional to x and k is the constant of proportionality.

Upon looking at our given equation, we can see that \(k=12\), therefore, the constant rate of proportionality is 12 for our given equation.

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