# Discuss: Elastic, Inelastic or Unitary Elastic?

Suppose the price of apples rises from $3 a pound to $3.45 and your consumption of apples drops from 30 pounds of apples a month to 21 pounds of apples. Calculate your price elasticity of demand of apples. What can you say about the price elasticity of demand of apples? Is it Elastic, Inelastic, or Unitary Elastic? Be sure to show the work you used to support your answer.

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#### Solution Preview

Elasticity is the proportional change in one variable relative to the proportion change in another variable. The concept of elasticity can be used whenever there is a cause and effect relationship. The causal variable is often called the independent variable, while the affected variable is called the dependent variable. ...

#### Solution Summary

This solution provides explanations and equations for price elasticity of demand.