SOLUTION: Jessica has half of her investments in stock paying a 6% dividend and the other half in a stock paying 9% interest. If her total annual interest is $630, how much does she have inv

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Question 1120062: Jessica has half of her investments in stock paying a 6% dividend and the other half in a stock paying 9% interest. If her total annual interest is $630, how much does she have invested?
Answer by ikleyn(52787) About Me  (Show Source):
You can put this solution on YOUR website!
.
Let x be her total investment. Then


    0.06*(0.5x) + 0.09*(0.5x) = 630   dollars,

    0.030x + 0.045x = 630

    0.075x = 630  ====>  x = 630%2F0.075 = 8400.


Answer.  Total investment was  $8400.