Word problems are my weakness. I need some help understanding a word problem. Suppose a market research company finds that at a price of p = $20, they would sell x = 42 tiles each month. If they lower the price to p = $10, then more people would purchase the tile, and they can expect to sell x = 52 tiles in a month’s time. Find the equation of the line for the demand equation. Write your answer in the form p = mx + b.

Question

Word problems are my weakness.  I need some help understanding a word problem.  	Suppose a market research company finds that at a price of p = $20, they would sell x = 42 tiles each month. If they lower the price to p = $10, then more people would purchase the tile, and they can expect to sell x = 52 tiles in a month’s time. Find the equation of the line for the demand equation. Write your answer in the form p = mx + b.

owlfred · Answer

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mathteacher1729 · Answer

I've attached a pic which might help make this problem clearer. :) Hope this helps!

anonymous · Answer

Thanks!

mathteacher1729 · Answer

I've attached the http://www.geogebra.org file. If you don't already have it, download it! It's super useful for algebra.