Math Problem Statement
Suppose you want to save $7,500 to go on a dream vacation in three years. You can save for your vacation by either depositing one single lump of money into a savings account and letting it accumulate interest or by making regular monthly payments. How much money, as a one-time deposit, PV , would you need to deposit into an account that earns 1.5% compounded monthly to earn a future value, FV , of $7,500 in three years? This amount can be found by using algebra to rearrange the function, FV=PV(1+rn)^(nY) , so that FV becomes an input variable and PV becomes the output variable. PV=FV(1+rn)^(−nY) Use this function to find the amount needed as a one-time deposit to earn $7,500 in 3 years. $7,500 will be enough money for your dream vacation in 3 years.
The interest rate for either account is 1.5% APR.
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Compound Interest
Exponential Functions
Formulas
PV = FV / (1 + r/n)^(nY)
Compound Interest Formula: FV = PV(1 + r/n)^(nY)
Theorems
Exponential Growth in Compound Interest
Suitable Grade Level
Grades 9-12
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