SOLUTION: Two stocks cost $15000. One invest earn 40% return while the other had -10%. the net profit was 2000. What is the initial investment per stock?
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Question 1163699: Two stocks cost $15000. One invest earn 40% return while the other had -10%. the net profit was 2000. What is the initial investment per stock?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
x and 15000-x are the investment amounts
x*0.40=.40x
(15000-x)-0.10=-1500+0.10x
The two add to $2000
so 0.50x-1500=2000
0.50x=3500
x=$7000 that makes 40% for $2800
15000-x=$8000 that loses 10% for -$800
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