0.75 was the tax and 12.75 in total, correct me if I am wrong..
A straight line is represented by a linear equation given below.
The points are given as (1, 2) and (4, 4).
Start by calculating the slope (m)

So, we have

<h3>What is the slope-intercept form of the line?</h3>
The equation in slope-intercept form is then calculated as:

So, we have:

Expand

Take LCM

Multiply through by 3
3y=2x+4
So, the possible equations are:
.
To learn more about linear equations visit:
brainly.com/question/11897796
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1/2 Because I say because I say so