SOLUTION: Reference question 1042438: I have found the problem with answers: A: s / 3 + 4m B: ms / 3 + 4m C: s(1 + m) / 3 + 4m D: s(1 + 2m) / 3 + 4m I am unsure how to solve. Th

Question 1042532: Reference question 1042438:
I have found the problem with answers:
A: s / 3 + 4m
B: ms / 3 + 4m
C: s(1 + m) / 3 + 4m
D: s(1 + 2m) / 3 + 4m
I am unsure how to solve. Thanks again.
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
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 amount each invests.

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.

Solve this for x but it will be IN TERMS OF s.

Substitute x into the individual investment amounts already listed and simplify.
Answer by MathTherapy(10555) (Show Source): You can put this solution on YOUR website!

Reference question 1042438:
I have found the problem with answers:
A: s / 3 + 4m
B: ms / 3 + 4m
C: s(1 + m) / 3 + 4m
D: s(1 + 2m) / 3 + 4m
I am unsure how to solve. Thanks again.

Let amount A invests be A
Then amount B invests = mA
Amount C invests = A + mA
Amount D invests = mA + A + mA, or 2mA + A
We then get: A + mA + A + mA + 2mA + A = s
3A + 4mA = s
A(3 + 4m) = s
A, or amount A invests =
Amount B invests: =======>
Amount C invests: ======> ======>
Amount D invests: =======> =======> ======>
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