What is the answer for this question? 1. Dayne has three investment portfolios: A, B and C. Portfolios A, B and C together are worth a total of $175000, portfolios A and B together are worth a total of $143000, while portfolios A and C together are worth a total of $139000.
Use Cramer’s Rule to find the value of each portfolio.

The correct answer is:

Portfolio A = $107,000

Portfolio B = $36,000

Portfolio C = $32,000

Step-by-step explanation:

According to the question,

...(1)

...(2)

...(3)

Now,

From (1) and (2), we get

⇒

                        ...(4)

From (1) and (3), we get

⇒

                        ...(5)

From (1), (4) and (5), we get

⇒

Thus the above is the correct answer.

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