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Plotting Quadratic Equations from Word Equations

An agency is advertising a vacation package. The cost of the package is $500 for airfare and an additional $100 per day for hotel and car cost. Let C represent the total cost of the package in $ and let N represent the number of days on vacation. Write an equation relating C to N, then graph the equation using the Y axis to reprsent C with a scale of 200 to 1400 and the x axis represents N with a scale of 1 to 9. Identify points plotted.

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A line equation word problem is solved. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.