Muskaan had 157 dollars to spend on 6 books. After buying the she had 13 dollars. How much did each book cost?
1 answer:
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For this case we have that by definition, the equation of the line of the slope-intersection form is given by:
Where:
m: It is the slope of the line
b: It is the cut-off point with the y axis
According to the statement data we have:
Then, the equation is of the form:
We substitute the given point and find "b":
Finally, the equation is of the form:
Answer: