Asked by dennis

Ling invested some money at 10% interest. Ling also invested $195 more than 4 times that amount at 13%. How much is invested at each rate if Ling receives $2903.39 in interest after one year? (Round to two decimal places if necessary.)
Answered by oobleck
If x is invested at 10%, then 4x+195 is invested at 13%
Thus, the total interest is
0.10x + 0.13(4x+195) = 2903.39
now find x and finish it off
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