Question 364336
$x  @ 6 % 
2x+4000 @  12%
interest = 3480
...
0.06x+0.12(2x+4000) = 3480
multiply by 100
6x+12(2x+4000)=348000
6x+24x+48000=348000
30x = 300,000
x= 30,000 investment @ 6%
2x+4000= 60,000+4000= $64,000 @12%
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m.ananth@hotmail.ca