Homework Help: Algebra

Posted by Hgo on Thursday, December 17, 2009 at 8:28pm.

Here is a question, but I am having a problem finding the right systems of equation. Are the ones I have written correct?
Question: The mortgage department of the company is selling two model homes that are located on the same block. The square footage, as well as the type of model, determines the cost of these homes.

e) The second home has 1000 square feet less than twice the square feet of the first home. Write an equation that illustrates this situation using x and y to denote home #1 and home #2, respectively.

My first answer
2y=x-1000

f) Together, both homes have 4,400 square feet. Write an equation that illustrates this situation using the same variables you used in part e.
My second answer
2x+2y=4400

Algebra - PsyDAG, Friday, December 18, 2009 at 11:08am
The second home has 1000 square feet less than twice the square feet of the first home.

e) y = 2x - 1000

Together, both homes have 4,400 square feet. (Why did you use 2x and 2y?)

f) x + y = 4400

I hope this helps.
Algebra - Anonymous, Thursday, June 16, 2011 at 6:02pm
3e

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