SOLUTION: Dave Horn invested half of his money at 5%, one-tird of his money at4%, and the rest at 3.5%. If his total annual investment incomw is $530, how much had he invested?

Algebra ->  Customizable Word Problem Solvers  -> Finance -> SOLUTION: Dave Horn invested half of his money at 5%, one-tird of his money at4%, and the rest at 3.5%. If his total annual investment incomw is $530, how much had he invested?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 419077: Dave Horn invested half of his money at 5%, one-tird of his money at4%, and the rest at 3.5%. If his total annual investment incomw is $530, how much had he invested?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
let total money invested be x
percent
5 0.33
4 0.50x
3.5 0.17x

Total income = 530
1.67 x + 2 x +
4.25 x 53000
/ 4.25
x = 12470.59
Interest
5.00%---------- 4156.86
4.00%---------- 6235.29
3.50%---------- 2078.43