SOLUTION: Norman and suzanne scarpulla own 35 shares of mcdonald's stocks and 69 shares of the ohio art company stock (makers of etch and sketch and other toys). On a particular day in 2011,

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Norman and suzanne scarpulla own 35 shares of mcdonald's stocks and 69 shares of the ohio art company stock (makers of etch and sketch and other toys). On a particular day in 2011,      Log On


   

Question 668794: Norman and suzanne scarpulla own 35 shares of mcdonald's stocks and 69 shares of the ohio art company stock (makers of etch and sketch and other toys). On a particular day in 2011, their stock portfolio consisting of these two stocks was worth $2814. The Mcdonalds stock was $70 more per share than the ohio art company stock. What was the price of each stock on that day?
Answer by mananth(16946) About Me  (Show Source):
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35 shares of mcdonald's stocks ------x each
and 69 shares of the ohio art company ---y each
35x+69y=2814

y=x-70
substitute y in the first equation
35x+69(x-70)=2814
35x+69x-4830=2814
104x= 2814+4830
104x=7644
x=73.50 Price of Mcdonald's
y= 3.50 Price of Ohio art company