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.
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Compound Interest
Exponential Growth
Formulas
FV = PV(1 + r/n)^(nY)
PV = FV / (1 + r/n)^(nY)
Theorems
Compound Interest Formula
Suitable Grade Level
Grades 10-12
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