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24 March, 14:43

1) Sandra saves 12% of her salary for retirement. This year her salary was $3000 more than in the previous year, and she saved $4,200. What was her salary in the previous year? i want to know the equation form

the topic is math 8 grade writing equations

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  1. 24 March, 14:53
    0
    Hello there.

    1) Sandra saves 12% of her salary for retirement. This year her salary was $3000 more than in the previous year, and she saved $4,200. What was her salary in the previous year?

    32,000
  2. 24 March, 15:07
    0
    Given:

    savings 12% of her salary.

    savings $4,200

    This year's salary: x + 3,000

    Last year's salary: x

    4,200 represents 12% of her salary.

    4,200 / 12% = 35,000 is her salary this year.

    x + 3,000 = 35,000

    x = 35,000 - 3,000

    x = 32,000 her salary last year.
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