Is anybody here good at financial algebra?

- anonymous

Is anybody here good at financial algebra?

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- schrodinger

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- anonymous

@dan815

- anonymous

yes but depends on the question lol

- mathstudent55

How about posting the question. Maybe someone will help.

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## More answers

- anonymous

its not a question it is basically like a document i just want people to check my work @mathstudent55

- anonymous

ok let me see it then

- anonymous

hold on

- anonymous

can anybody please check my work @phi @mathstudent55 @dan815 to see if I made any mistakes

##### 1 Attachment

- dan815

i cannot open word documents, can you take screen shot or something

- anonymous

um i will try

- anonymous

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- anonymous

@dan815

- anonymous

can you please check this for me @phi

- anonymous

its a document can you take a look at it and see if i made any errors @phi

- dan815

okay,

- phi

Q1 is ok

- dan815

|dw:1435341205076:dw|

- dan815

we gotta apply that interest rate to his money form annuity too

- mathstudent55

Problem 1:
\(F = P(1 + \dfrac{r}{n})^{nt}\)
\(62000 = P(1 + \dfrac{0.0125}{12})^{60}\)
\(62000 = P(1.0644) \)
\(P = 58,245.51\)

- dan815

for problem 2, youd have to get this formula for this series

- dan815

|dw:1435341451215:dw|

- dan815

geometric series

- phi

Q2 looks good

- anonymous

do you guys need me to post 3 and 4 in a screenshot @phi @dan815 @mathstudent55

- dan815

oh highest exponent is 14 actually

- anonymous

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- anonymous

@dan815

- anonymous

@dan815

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- anonymous

@dan815

- anonymous

@dan815

- anonymous

can any of you guys check 3,6,8,9,10,12 for me @dan815 @loser66 @Hero

- anonymous

@zepdrix

- anonymous

@ganeshie8

- anonymous

@campbell_st

- phi

ok Q1 to Q4
Q5 looks reasonable, but I don't really know
Q6 I don't see the ROI number, so can't say.
Q7 sounds right, but not sure
Q8 I think they want the difference in the rates i.e. how much more Lucas's rate is over Peyton
Q9 I got a different number
Q10 I don't know how to do that one but the answer has to either choice A or B
Q11 I got a different answer
Q12 not sure how to do this one either.
I am curious how to do Q10 and Q12
For the weighted mean questions, I think you multiply each percentage by the dollars invested in that category divided by the total dollars in the portfolio
In Q11, notice port 3 has a huge amount in the loser -41.3% and very little in the winner (27.8%). Based just on that info, portfolio 3 will have the worst return.

- anonymous

for question 9 what did you get @phi

- phi

I posted how to do it. Give it a shot.

- anonymous

where @phi

- phi

For the weighted mean questions, multiply each percentage by the dollars invested in that category divided by the total dollars in the portfolio
then add up

- anonymous

see that is what i did but I had trouble

- phi

post your numbers as you work the problem

- anonymous

oh the ROI for question six is going to be posted now @phi

- anonymous

@phi

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- anonymous

@phi

- phi

For Q6, why does the calculation for the purchase price have an extra 6 in it ?

- phi

the top should be
amount received - amount paid

- anonymous

Exactly but i don't know with the choices what it could be?

- phi

amount paid is "initial investment"
when you multiply # of shares * price you get how much you paid.
to then multiply by 6 is wrong.

- anonymous

ohhh

- anonymous

so it would be that he multiplied his initial amount incorrectly

- phi

yes, that makes the most sense.

- anonymous

ok

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