SOLUTION: Roberto invested some money at 2.75%, and then invested $2000 more than twice this amount at 3%. His total annual income from the two investments was $1197.50. How much did he in

Question 976365: Roberto invested some money at 2.75%, and then invested $2000 more than twice this amount at 3%. His total annual income from the two investments was $1197.50. How much did he invest at 3%?
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Roberto invested some money at 2.75%, and then invested $2000 more than twice this amount at 3%. His total annual income from the two investments was $1197.50. How much did he invest at 3%?
***
let x=amt invested at 2.75%
2x+3000=amt invested at 3.00%
..
.0275x+.03(2x+2000)=1197.50
.0275x+.06x+60=1197.50
.0875x=1137.50
x=13000
2x+3000=29000
How much did he invest at 3%? $29,000
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