SOLUTION: An actor invests some money at 9% and 31000more than three times the amount at 10% the total annual interest earned from the investment is 24940 how much did he invest at each amo
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Question 1161441: An actor invests some money at 9% and 31000more than three times the amount at 10% the total annual interest earned from the investment is 24940 how much did he invest at each amount
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!
let x = amount invested at 9%
then 3x+31000 = amount invested at 10%
interest from investment at 9% = .09(x)
interest from investment at 10% = .10(3x+31000)
The total interest was 24940:
Solve using basic algebra....
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