When buying the sofa set, he paid only 70% of the actual price. If the actual price is 4,200, then at what price did he buy the
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We have been given a table that shows a linear relationship between x and y. We are asked to find the rate of change change of y with respect to x.
To solve our given problem, we will find the slope of the line passing through the given points.
Let us find slope of line using points and
.
Therefore, the rate of change of y with respect to x is .
See the image below for a demonstration. Hope this helps out.
