Solve the Problem Using Matrices $4 \%$ Acid by Volume, Another $11 \%$

question 47

Multiple Choice

Solve the problem using matrices.
-A chemist has prepared two acid solutions, one of which is $4 \%$ acid by volume, another $11 \%$ acid. How many cubic centimeters of each should the chemist mix together to obtain $50 \mathrm {~cm} ^ { 3 }$ of a solution that is $6.8 \%$ acid.

• A) \(3.4 \mathrm {~cm} ^ { 3 }\) of \(4 \% ; 46.6 \mathrm {~cm} ^ { 3 }\) of \(11 \%\)
• B) \(30 \mathrm {~cm} ^ { 3 }\) of \(4 \% ; 20 \mathrm {~cm} ^ { 3 }\) of \(11 \%\)
• C) \(20 \mathrm {~cm} ^ { 3 }\) of \(4 \% ; 20 \mathrm {~cm} ^ { 3 }\) of \(11 \%\)
• D) No solution

Analyze and interpret financial statements for decision-making.

Calculate consolidated retained earnings and understand its implications.

Prepare Plax Inc.'s Consolidated Statement of Financial Position.

Understand the effects of intercompany transactions and their elimination in consolidated statements.

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Definitions:

Price Maker

A market participant with the power to influence the price of a good or service by controlling its supply, its demand, or both.

Perfect Competition

A market structure characterized by many buyers and sellers, where all firms sell identical products and no single buyer or seller can influence the market price.

Identical Goods

Products that are exactly the same in every aspect, leading consumers to have no preference for one product over another based on characteristics, brand, or quality.

Perfect Competition

A market structure characterized by a large number of small firms, identical products, and free entry and exit, leading to price taking behavior.