Question 1106855
0.06x + 0.13(2x) = 104
0.06x + 0.26x = 104
0.32x = 104
x = 325 this is the amount at 6%
2x = 2(325) = 650 this is the amount at 13%
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Check:
0.06*325 = 19.5
0.13*650 = 84.5
. . . . .-------
Total . . 104 
The answer is correct