SOLUTION: Ten years ago Cleon and Kayla invested money in two companies: Cyberdyne and Compunetics. Their total investment was $4500. The Cyberdyne stock tripled and the Compunetics stock

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Question 29975: Ten years ago Cleon and Kayla invested money in two companies: Cyberdyne and Compunetics. Their total investment was $4500. The Cyberdyne stock tripled and the Compunetics stock doubled, and now their investment is worth $11,000. How much did they originally invest?

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
THE FORMULA IS 3X+2(4,500-X)=11,000 OR 3X+9,000-2X=11,000 OR X=11,000-9,000 OR
X=2,000 OR THE COMPUUNETCS BOUGHT WAS WORTH 2,000 WHILE THE CYBERDYNE STOCK WAS
WORTH 2,500.
PROOF 3*2,000+2*2,500=11,000 OR 6,000+5,000=11,000 OR 11,000=11,000