SOLUTION: Someone invests some money at 7% and 39000 more than 3 times the amount at 7%. The total interest earned is 39050. How much was invested at each amount? Thanks for any help.

Question 188416: Someone invests some money at 7% and 39000 more than 3 times the amount at 7%. The total interest earned is 39050. How much was invested at each amount? Thanks for any help.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the first amount invested @ 7%
given:

The amounts invested were:
$129,714 and $428,143

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