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 $9,000. During the same year, the total value of his portfolio increased by 6%.What was the dollar value of his internet shares at the end of the year?
+36915 i =Internet stock
1.1 i = internet stock after year
10 000 = copper stock
9/10 (10000) = copper stock after year
1.1 i + 9/10 (10000) = 1.06(i +10000)
..04 i = 1600
i = 40000
At the end of the year 1.1i = 1.1 (40000) =$ 44000
