Every employee's salary at the Sunrise Software Company increases each year by 1/10 of that person's salary the previous year.

A: If Martha's present annual salary is $100,000.00, what will her salary be in 2 years?
B: If Aaron's present salary is $99,000.00, what was his salary 1 year ago?
C: If Juanita's present salary is $363,000.00, what was her salary 2 years ago?

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  1. a) after 1 year --> 100000(1.1)
    after 2 years ---- 100000(1.1)^2
    b) Aaron's --- > 99000/1.1 or 99000(1.1)^-1

    c) what do you think?

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