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invested 2000
gains 0.2 every odd numbered month
final value after first month?

i've tried solving this with a formula, but every formula i come up with is wrong.

Could someone tell me how to solve this and plug in the right numbers into a formula?

  • Math -

    Are we to assume that there is a 20% gain for every odd-numbered month and for the even-numbered months the investment stays constant?

    Since the "first" month would be odd-numbered, the amount after the first month would simply be
    2000(1.2) = 2400

    the "formula" would simply be
    amount = 2000(1 + .2)^1

  • Math -

    for every even-numbered number month there is a 15% gain.

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