Math Problem Statement
Zoe invested in shares of four different companies at the beginning of the year. At the end of the year the share values had increased or decreased as follows:
For full marks your answers should be given as percents accurate to at least two decimal places. What is the total rate of return if Zoe invests the same amount in each company?
What is the total rate of return if Zoe invests three times as much in SouthCo as in the other companies?
westco= 1.86% northco= -9.62% classic coverings= -3.39% southco= -8.42%
Solution
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Math Problem Analysis
Mathematical Concepts
Finance
Investment
Weighted Average
Arithmetic Mean
Formulas
Weighted average return formula
Theorems
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Suitable Grade Level
Undergraduate
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