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Otto's investment portfolio consisted of shares of internet stock and copper stock. During the year, the value of his internet shares increased 10%,but the value of his copper shares decreased from $10,000 to $9,000. During the same year, the total value of his portfolio increased by 6%.What was the dollar value of his internet shares at the end of the year?

 Aug 11, 2019
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i =Internet stock

1.1 i = internet stock after year

10 000 = copper stock

9/10 (10000) = copper stock after year

 

 

1.1 i + 9/10 (10000)  = 1.06(i +10000)

..04 i = 1600

i = 40000

 

At the end of the year 1.1i = 1.1 (40000) =$ 44000

 Aug 11, 2019

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