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16 May, 02:29

An actor invested some money at 9% simple interest, and $42,000 more than three times the amount at 12%. The to

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  1. 16 May, 02:47
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    An actor invested some money at 9% simple interest, and $42,000 more than three times the amount at 12% per annum. What we are after is amounts of interest invested at 9% and at 12%. Let's call them x and y respectively.

    x=42000 at 9% = $3,780.00 = $45,780.00

    y=3x42000 at 12% = $15,120.00 = $141,120.00

    x+y=$186,900.00
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