SOLUTION: Armand buys a total of 1825 shares of two stocks (BPI and BDO). The price of the BPI stock is 26 pesos per share, while the price of the BDO stock is 30 pesos per share. Armand inv

Algebra ->  Linear-equations -> SOLUTION: Armand buys a total of 1825 shares of two stocks (BPI and BDO). The price of the BPI stock is 26 pesos per share, while the price of the BDO stock is 30 pesos per share. Armand inv      Log On


   

Question 1102385: Armand buys a total of 1825 shares of two stocks (BPI and BDO). The price of the BPI stock is 26 pesos per share, while the price of the BDO stock is 30 pesos per share. Armand invested 50,950 pesos in total. How many shares of BPI did he buy? How many shares of BDO did he buy?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
x+y=1825,
26*x+30*y=50950
x=1825-y
26*(1825-y)+30*y=50950
47450-26y+30*y=50950
4*y=3500
y=875
x=1825-y
x=950 at 26 BPI
and
y=875 at 30 BDO
check
950+875=1825
26*x+30*y=50950
26*950+30*875=50950
24700+26250=50950
50950=50950
ok
codetick