SOLUTION: Sam won $30,000, after taxes, on a vacation to Las Vegas. He invested 5% simple interest and the rest at 3% simple interest. At the end of one year he had earned $1340.00 in inte

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: Sam won $30,000, after taxes, on a vacation to Las Vegas. He invested 5% simple interest and the rest at 3% simple interest. At the end of one year he had earned $1340.00 in inte      Log On


   



Question 471001: Sam won $30,000, after taxes, on a vacation to Las Vegas. He invested 5% simple interest and the rest at 3% simple interest. At the end of one year he had earned $1340.00 in interest. How much did he invest in each amount?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
.05m+.03(30000-m)=1340
5m+3(30000-m)=134000
5m+90000-3m=134000
2m=44000
m=22000
Sam invested $22000 at 5% and $8000 at 3%..