Posted by **elizabeth** on Wednesday, November 5, 2008 at 12:06pm.

I am trying to understand the math part of supply and demand . I am not getting it,I really need help! The question is: The demand and supply functions for sweatshirts are as follows:

DEMAND Supply

Quanity Quanity

demanded(per period) supplied(/peri

price__ price

10-----15,000 $10----------22,000

9------15,500 9---------19,000

8------16,000 8---------16,000

7-------16,500 7---------13,000

6--------17,000 6--------10,000

5--------17,500 5---------7,000

4--------18,000 4---------4,000

3--------18.500 3--------1,000

2--------19,000 2--------- 0

the equation for the demand and supply functions above are as followers

Qd=20,000-500p

Qs=8,000+3000P

solve for the equilbrim price and quanity,

I donot know what to do with it.

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