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9 June, 07:05

Mary worked for a certain company for 4 years. at the end of each year, her salary was raised by 10%. if her starting salary was $30,000 per year, what was her salary after the fourth raise?

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  1. 9 June, 10:55
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    A = $42,000.00

    (I = A - P = $12,000.00)

    Equation:

    A = P (1 + rt)

    Calculation:

    First, converting R percent to r a decimal

    r = R/100 = 10%/100 = 0.1 per year.

    Solving our equation:

    A = 30000 (1 + (0.1 * 4)) = 42000

    A = $42,000.00
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