SOLUTION: George invested some money at 5% interest. George also invested $165 more than 5 times that amount at 12%. How much is invested at each rate if George receives $899.90 in interest

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Question 127253: George invested some money at 5% interest. George also invested $165 more than 5 times that amount at 12%. How much is invested at each rate if George receives $899.90 in interest after one year?
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
let x="amount @ 5%", so 5x+165="amount @ 12%"

(5%)(x)+(12%)(5x+165)=899.9 __ .05x+.6x+19.8=899.9

.65x=880.1