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
Answer 2 Points The demand curve in the market for meat is described by the equation Q_(d)=280-40P and the supply curve is described by the equation Q_(s)=40+.8P where P is the price measured in a national currency and Q is the quantity of kilograms of meat. Calculate the equilibrium price in this market. Enter the exact value. Do not round. square unit(s) of national currency
Solución
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To find the equilibrium price in the market, we need to set the quantity demanded equal to the quantity supplied. This means solving the equations for \(Q_d\) and \(Q_s\) where they are equal:<br /><br />\[ Q_d = Q_s \]<br /><br />Substitute the given equations:<br /><br />\[ 280 - 40P = 40 + 0.8P \]<br /><br />Now, solve for \(P\):<br /><br />1. Combine like terms by adding \(40P\) to both sides:<br /><br /> \[ 280 = 40 + 0.8P + 40P \]<br /><br />2. Simplify the equation:<br /><br /> \[ 280 = 40 + 40.8P \]<br /><br />3. Subtract 40 from both sides:<br /><br /> \[ 240 = 40.8P \]<br /><br />4. Divide both sides by 40.8 to solve for \(P\):<br /><br /> \[ P = \frac{240}{40.8} \]<br /><br />5. Calculate the exact value:<br /><br /> \[ P = \frac{240}{40.8} = \frac{600}{102} = \frac{100}{17} \]<br /><br />Thus, the equilibrium price is \(\frac{100}{17}\) units of national currency.
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