SOLUTION: An actor invests some money at 9% and $22000 more than four times the amount at 12%. The total annual interest earned from the investment is $44820. How much did he invest at each

SOLUTION: An actor invests some money at 9% and $22000 more than four times the amount at 12%. The total annual interest earned from the investment is $44820. How much did he invest at each

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Question 1041157: An actor invests some money at 9% and $22000 more than four times the amount at 12%. The total annual interest earned from the investment is $44820. How much did he invest at each amount.

Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
x=9% amount
4x+22000=12%
They add to 44,820
.09x+.12(4x+22000)=44820
.09x+.48x+2640=44820
.57x=42180
x=$74000@9%=$6660
4x+22000=$318000@12% is $38160
They add to $44820.
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