Math Problem Statement
Given the following two investments:
Investment X: $2,000 invested at 6% simple interest rate.
Investment Y: $1,000 invested at 5% interest rate with interest compounded annually.
Assume no money is ever withdrawn from either investment. Which of the following is true?
Group of answer choices
X will always have a higher balance because it has a higher principal and higher interest rate.
Y will eventually have a higher balance than X but it will take at least 50 years.
Y will have a higher balance than X after 39 years.
Solution
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Math Problem Analysis
Mathematical Concepts
Simple Interest
Compound Interest
Exponential Growth
Formulas
Simple Interest: A = P(1 + rt)
Compound Interest: A = P(1 + r/n)^(nt)
Theorems
Exponential Growth of Compound Interest
Suitable Grade Level
Grades 11-12
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