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| Question 832897:  An investor bought 225 shares of stock, stock A at $50 per share and stock B $75 per share. If $13,750 worth of stock was purchased, how many shares of each kind did the investor buy?
 Answer by stanbon(75887)
      (Show Source): 
You can put this solution on YOUR website! An investor bought 225 shares of stock, stock A at $50 per share and stock B $75 per share. If $13,750 worth of stock was purchased, how many shares of each kind did the investor buy? --------
 Quantity: f + s = 225 shares
 Value:  50f+75s = 13750
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 Modify:
 2f + 2s = 2*225
 2f + 3s = 550
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 Subtract and solve for "s":
 s = 100 (# of $75 shares)
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 Solve for "f":
 f = 225 - 100 = 125 (# of $50 shares)
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 Cheers,
 Stan H.
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