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January 29, 2015

January 29, 2015

Posted by **Terri** on Monday, April 9, 2012 at 3:14pm.

A: Find the demand equation.

B: Find the supply equation.

C: Find the equilibrium quantity and the equilibrium price.

- Math -
**Steve**, Monday, April 9, 2012 at 6:33pmdemand:

(d-250)/(p-140) = (1000-250)/(110-140)

d-250 = -25(p-140)

d = -25p + 3750

supply:

(s-750)/(p-60) = (2250-750)/(80-60)

s-750 = 75(p-60)

s = 75p - 3750

equilibrium:

-25p + 3750 = 75p - 3750

100p = 7500

p = 75

s = d = 1875

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