finite math

using continous compound interest formula to find the indicated value

A= 99000
P= 72466
R= 7.8%
T= ?

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asked by carol
  1. Continuous compound interest formula:
    A=PeRT
    to find t, take log (natural log) on both sides
    ln(A)=ln(P)+RT
    Solve for T (about 4 years)
    R should be written as a fraction (0.078)

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