If the Demand Equation for a 25-Inch Television Is $p = - \frac { 1 } { 10 } q + 600$

Multiple Choice

If the demand equation for a 25-inch television is $p = - \frac { 1 } { 10 } q + 600$ , where p is the price and q is the number of televisions sold at that price, how many televisions will be sold at a price of $520?

A) 575
B) 800
C) 715
D) 8