SOLUTION: The demand and supply equations for a certain item are given by D = –5p + 40 S = –p^2 + 30p – 8 Find the equilibrium price

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Question 104076: The demand and supply equations for a certain item are given by
D = –5p + 40
S = –p^2 + 30p – 8
Find the equilibrium price

Answer by elima(1433)   (Show Source): You can put this solution on YOUR website!
The demand and supply equations for a certain item are given by
D = –5p + 40
S = –p^2 + 30p – 8
Find the equilibrium price
Equilibrium is when supply = demand;



Use quadratic equation to solve;



Now we two equations to solve, because we have 35+ and 35-;

P=33.57


P=1.43
:)

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