Solve Using Cramer's Rule

question 196

Multiple Choice

Solve using Cramer's Rule.
-Jerry has 3 pieces of string. The total length is 102 inches. The sum of the two longer pieces is 83. The middle piece is twice as long as the shortest piece. What are the lengths of the 3 pieces?

• A) 9.5, 19, and 73.5 inches
• B) 19, 38, and 45 inches
• C) 19, 45, and 55 inches
• D) No solution

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Definitions:

Average Variable Cost Curve

A graphical representation showing how average variable cost changes with changes in output.

Upward-sloping

Describes a line or curve on a graph that indicates an increase in a variable (e.g., price) as another variable (e.g., quantity) increases, typical of supply curves in economics.

Short Run Supply Curve

A graph showing the relationship between the market price of a product and the quantity of it that a firm is willing to supply, assuming some inputs are fixed.

Free Entry And Exit

Conditions in a market where firms or producers can freely enter or leave the market without facing any legal, social, or economic barriers.