Solve Problems Using Systems of Linear Equations
-As the Price $\mathrm { N } = - 4 p + 690$

question 211

Multiple Choice

Solve Problems Using Systems of Linear Equations
-As the price of a product increases, the demand for that product decreases. However, at higher prices, suppliers are willing to produce greater quantities of the product. The weekly supply and demand models for a certain type of television are as follows:
Demand: $\mathrm { N } = - 4 p + 690$
Supply: $N = 2.6 \mathrm { p }$
where $p$ is the price in dollars per television.
How many of these televisions can be sold and supplied at $\$ 120$ per television?

• A) sold: 210 ; supplied: 312
• B) sold: 1170 ; supplied: 312
• C) sold: 210 ; supplied: 1002
• D) sold: 312 ; supplied: 210

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