SOLUTION: Leila invested her savings in two investment funds. The $8000 that she invested in Fund A returned a 10% profit. The amount that she invested in Fund B returned a 3% pr

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Leila invested her savings in two investment funds. The $8000 that she invested in Fund A returned a 10% profit. The amount that she invested in Fund B returned a 3% pr      Log On


   

Question 1037693: Leila invested her savings in two investment funds. The
$8000
that she invested in Fund A returned a
10%
profit. The amount that she invested in Fund B returned a
3%
profit. How much did she invest in Fund B, if both funds together returned a
5%
profit?
Answer by jorel555(1290) About Me  (Show Source):
You can put this solution on YOUR website!
Let n be the amount invested at 10%. Then
.1n+.03(8000-n)=.05(8000)
.1n+240-.03n=400
.07n=160
n=160/.07=$2285.71 invested at 10%
8000-n=$5714.29 invested at 3%!!!!!!!!!!!!