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January 26, 2015

January 26, 2015

Posted by **Donna** on Wednesday, October 6, 2010 at 5:59pm.

b) The representative tells you that floor plan #1 sells for $300,000 and floor plan #2 sells for $200,000. She also mentions that all the available houses combined are worth $3,300,000. Write an equation that illustrates this situation. Use the same variables you used in part a. (3 pts.)

300,000 + 200,000 =3300000

Multiply the first equation by 300,000

-300000x –300000 y = -5000000

Add to the second equation:

20000y = 500000

Divide by 20000:

y = 10

x +10 =

x =

of plan 1

of plan 2

- Math 116 -
**bobpursley**, Wednesday, October 6, 2010 at 6:02pmI have little understanding of what you did.

x*300,000+y*200,000=3,300,000 is the equation describing the words in the paragraph. You need one other equation to solve, for instance, x+y=somenumber

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