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Jenson71 02-20-2013 11:30 AM

Smart People: Help me do math homework
 
How would a person begin to answer this problem?

Quote:

What mix or set of mixes of these individual assets will provide a 6.5% return?

Name
Expected Return
Holding 1
8.50%
Holding 2
9.20%
Holding 3
3.10%
Holding 4
4.80%


Dayze 02-20-2013 11:31 AM

If I could, I would.

but since I can't....

Poop.

Old Dog 02-20-2013 11:36 AM

Would you not have to know the amount to be invested first?

Old Dog 02-20-2013 11:40 AM

Investing in 50% of the 8.5%, 20% of the 9.2 and 30% of the 3.1 would give you a 6.82% projected return....is that what you're after?

Jenson71 02-20-2013 11:41 AM

Quote:

Originally Posted by Old Dog (Post 9418881)
Would you not have to know the amount to be invested first?

Well, we can make up any number. Let's say I have $100K.

seclark 02-20-2013 11:41 AM

Don't forget to carry the naught.
Sec

Jenson71 02-20-2013 11:42 AM

Quote:

Originally Posted by Old Dog (Post 9418899)
Investing in 50% of the 8.5%, 20% of the 9.2 and 30% of the 3.1 would give you a 6.82% projected return....is that what you're after?

Mostly I'm trying to figure out how you came up with that answer, and how I can come up with other answers.

Canofbier 02-20-2013 11:43 AM

Unless this is multiple choice or there are at least three more constraints (equations), I'm pretty sure there is more than one solution to this problem. As it is, this is all we have to work with:

A(1.085)+B(1.092)+C(1.031)+D(1.048)=1.065

Jenson71 02-20-2013 11:44 AM

Quote:

Originally Posted by Canofbier (Post 9418912)
Unless this is multiple choice or there are at least three more constraints, I'm pretty sure there are an infinite number of solutions to this problem. As it is, this is all we have to work with:

A(1.085)+B(1.092)+C(1.031)+D(1.048)=1.065

That's right, there are infinite number of solutions. I want to put together at least 5 options.

Old Dog 02-20-2013 11:45 AM

Quote:

Originally Posted by La literatura (Post 9418904)
Well, we can make up any number. Let's say I have $100K.

Yeah, I guess that was not relevant.....I should have left it to the smart people.

Frosty 02-20-2013 11:45 AM

Cheater!

Jenson71 02-20-2013 11:46 AM

Quote:

Originally Posted by Canofbier (Post 9418912)
Unless this is multiple choice or there are at least three more constraints (equations), I'm pretty sure there is more than one solution to this problem. As it is, this is all we have to work with:

A(1.085)+B(1.092)+C(1.031)+D(1.048)=1.065

So now I just get to plug in numbers for A, B, C, and D?

Canofbier 02-20-2013 11:46 AM

Quote:

Originally Posted by La literatura (Post 9418918)
That's right, there are infinite number of solutions. I want to put together at least 5 options.

Okay, then go to this website and go wild filling in the letters in the equation I included.

Dayze 02-20-2013 11:47 AM

Quote:

Originally Posted by seclark (Post 9418905)
Don't forget to carry the naught.
Sec

ROFL

Canofbier 02-20-2013 11:47 AM

Quote:

Originally Posted by La literatura (Post 9418924)
So now I just get to plug in numbers for A, B, C, and D?

Yep. If you want a discrete solution, fill in 3 of them and leave the fourth as a variable, and Wolfram will calculate it.


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