Samara's Income Is $30 a Month and She Spends All

question 87

Multiple Choice

Samara's income is $30 a month and she spends all of it on music downloads and petrol. The price of a music download is $1.50 and the price of a litre of petrol is $3. At Samara's best affordable point, her marginal rate of substitution is _______ per litre of petrol.

• A) 0.5 of a download
• B) 1 download
• C) 1.5 downloads
• D) 2 downloads

Acquire insights into the impact of dieting on metabolic processes.

Explore the progression of cognitive abilities and the importance of intrinsic rewards in career satisfaction.

Understand the characteristics and challenges of early adulthood, including establishing life pathways and dealing with fertility issues.

Comprehend the concept of emerging adulthood, including feelings of in-betweenness and self-exploration.

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Definitions:

XIC Instruction

An "Examine if Closed" instruction in ladder logic programming, used to check if a contact is virtually closed in a control system.

Normally Open Relay

A type of electrical relay whose contacts are open in its resting state, closing to complete a circuit when activated.

Instruction A

Instruction A is not a specifically defined term in general contexts and may refer to the first or a particular instruction within a set in specific applications or systems.

Examine If Closed

A control system instruction or condition check to determine whether a circuit or valve is in its closed or off state.