Plzzz answer asap what is the equation for a graph with a line going from 300 on the y-axis to 450 on the x-axis

Any straight line on the coordinate plane can be described by the equation

y=mx+b

Where:

x,yare the coordinates of any point on the line

mis the slope of the line

bis the intercept (where the line crosses the y-axis)  .

The slope m can be found beetween two points on the line:

and

In this case, the points is on the y-axis (0,300) and the x-axis (450,0), whereby the slope m is found:

We already have b, because b is the point, where the line crosses the y-axis.

b=300

So the equation is:

⇒

The graph is attached.

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answer: 840

step-by-step explanation: