SOLUTION: I just can't seem to find a way to start this problem, we were told to use Systems to solve it and i just don't know were to start. here it goes Scott received $5000 as a gradua

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: I just can't seem to find a way to start this problem, we were told to use Systems to solve it and i just don't know were to start. here it goes Scott received $5000 as a gradua      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 129619: I just can't seem to find a way to start this problem, we were told to use Systems to solve it and i just don't know were to start. here it goes
Scott received $5000 as a graduation gift from his aunt and uncle. he invested the money in stocks and bonds. This year he received a 3percent annual return on the bonds but the stocks lost 2percent of their original value. If his total annual income from the investments was $80, how much did he invest in each?

Found 2 solutions by stanbon, josmiceli:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Scott received $5000 as a graduation gift from his aunt and uncle. he invested the money in stocks and bonds. This year he received a 3percent annual return on the bonds but the stocks lost 2percent of their original value. If his total annual income from the investments was $80, how much did he invest in each?
----------------------
Let amt. invested at 3% be "x"; interest is 0.03x dollars
------------
Amt invested at 2% is "5000-x"; interest is 0.02(5000-x)=100-0.02x dollars
-------------
EQUATION:
gain - loss = 80 dollars
0.03x - (100-0.02x) = 80
0.05x = 180
x = $3600 (amount invested at 3%)
5000-x = $1400 (amount invested at 2%)
==================
Cheers,
Stan H.

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let x= his investment in bonds
Then 5000+-+x will be his investment in stocks
.03x+-+.02%285000+-+x%29+=+80
.03x+-+100+%2B+.02x+=+80
.05x+=+180
x+=+3600
5000+-+3600+=+1400
Scott invested 3600 in bonds and 1400 in stocks