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22 November, 01:42

Michele earned a total of $693 in simple interest form two separate accounts. In an account earning 6% interest, Michelle invested $1,200 more than four times the amount she invested in an account earning 3%. How much did she invest in each account?

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  1. 22 November, 03:35
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    T = 4s + 1200

    0.06t + 0.03s = 693

    0.06 (4s+1200) + 0.03s = 693

    0.24s + 0.03s + 72 = 693

    0.27s = 621

    s = 2300

    t = 10400

    s is the amount invested at 3%

    and t is the amount invested at 6%
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