SOLUTION: sally invested some money at 10% interest. Sally also invested $156 more than 4 times that amount at 7% How much invested at each rate if sally receives $194.64 in interest afte

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Question 1134265: sally invested some money at 10% interest. Sally also invested $156 more than 4 times that amount at 7%
How much invested at each rate if sally receives $194.64 in interest after one year? (Round to two decimal places if necessary.)


$------amount invested at 10%
$------ amount invested at 7%






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Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
x, amount at 10%
4x+156, amount at 7%

Accounting for the interest earned, assuming one-year compounding period:
0.1x%2B0.07%284x%2B156%29=194.64. Solve....