A 1975 comic book has appreciated 8% per year and originally sold for $0.26. What will the comic boo

Discussion in 'Calculator Requests' started by math_celebrity, Apr 25, 2018.

  1. math_celebrity

    math_celebrity Administrator Staff Member

    A 1975 comic book has appreciated 8% per year and originally sold for $0.26. What will the comic book be worth in 2020

    Calculate the number of years:
    2020 - 1975 = 45

    Set up the accumulation function A(t) where t is the number of years since 1975:
    A(t) = 0.26(1.08)^t

    We want A(45)
    A(45) = 0.26(1.08)^45
    A(45) = 0.26 * 32.9045
    A(45) = 8.30
     

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