Math Problem Statement
The following pair of investment plans are identical except for a small difference in interest rates. Compute the balance in the accounts after 10 and 30 years. Discuss the difference.Chang invests $1200 in a savings account that earns 4.0% compounded annually. Kio invests $1200 in a different savings account that earns 4.25% compounded annually. Part 1: After 10 years Chang will have a balance of approximately $1776.29. After 30 years Chang will have a balance of approximately $3892.08.
Part 2: After 10 years Kio will have a balance of approximately $1822.85 After 30 years Kio will have a balance of approximately $_____
Solution
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Math Problem Analysis
Mathematical Concepts
Compound Interest
Exponential Growth
Savings and Investments
Formulas
A = P(1 + r/n)^(nt) where A is the amount, P is the principal, r is the annual interest rate, n is the number of times the interest is compounded per year, and t is the time in years.
Theorems
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Suitable Grade Level
Grades 10-12
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