Solve the Problem. -Assume That the Price Per Unit D of a Certain

question 38

Multiple Choice

Solve the problem.
-Assume that the price per unit d of a certain item to the consumer is given by the equation d = 35 - .10x,where x is the number of units in demand.The price per unit from the supplier is given by the equation s = .2x + 20,where x is the number of units supplied.Find the equilibrium price and the equilibrium quantity.

• A)equilibrium price: $35 per unit; equilibrium quantity: 50 units
• B)equilibrium price: $50 per unit; equilibrium quantity: 30 units
• C)equilibrium price: $30 per unit; equilibrium quantity: 50 units
• D)equilibrium price: $20 per unit; equilibrium quantity: 50 units

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Definitions:

Sensorimotor

The first stage of Piaget’s theory of cognitive development, from birth to roughly 2 years, where infants understand the world through their actions and sensory experiences.

Secondary Circular Reaction

A stage in Piaget's theory of cognitive development where infants repeat actions that are pleasurable or produce interesting results, typically occurring from 4 to 8 months of age.

Primary Circular Reaction

An early developmental stage where infants repeat an action that they accidentally discovered, focusing on their own body.

Tertiary Circular Reaction

A stage in Piaget's theory of cognitive development during which toddlers experiment with new behaviors to see the outcomes, typically observed around 12 to 18 months of age.