Amounts Invested

Algebra

Amounts Invested

Postby Guest » Tue Jul 26, 2016 6:53 pm

A, B, C, and D invest $s. B invests m times as much as A, C as much as A and B combined, and D as much as C and B combined. Determine the amount each invests.

Answers given with problem:

A: s / 3 + 4m

B: ms / 3 + 4m

C: s(1 + m) / 3 + 4m

D: s(1 + 2m) / 3 + 4m

How do I solve ?

Guest
 

Re: Amounts Invested

Postby Vicenta » Thu Jul 28, 2016 4:22 am

A invests x amount of money.
B invests mx;
C invests mx+x;
D invests (mx)+(mx+x)=2mx+x.

The sum of their investments is stated as s dollars.
x+(mx)+(mx+x)=(2mx+x)=s
Solve this for x but it will be IN TERMS OF s.

x+mx+mx+x+2mx+x=s
3x+4mx=s
x(3+4m)=s
x=s/(3+4m)

Solution here:
https://www.algebra.com/algebra/homework/word/finance/Money_Word_Problems.faq
and here
http://yourhomeworkhelp.org/math-tests/algebra-tests/

Vicenta
 
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Re: Amounts Invested

Postby Guest » Thu Jul 28, 2016 11:23 am

Thanks.

Guest
 

Re: Amounts Invested

Postby Guest » Tue Apr 10, 2018 7:17 am

The solution of this problem is same as Vicenta did above. I think you need to do practice algebraic question and keep in mind algebraic formulas to solve such questions in future. May https://www.mymathdone.com/algebra-homework-help/ and other math related website help to do good practice and help to understand formulas with the help of examples.

Guest
 


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