Suppose the price of a bag of jelly beans rises from $1.60 to $2.00, with the result that sales of jelly beans falls from 120 bags to 80 bags a day. Using the midpoint method, what is the elasticity of demand for jelly beans?

The elasticity of demand for jelly beans is 1.80

Explanation:

The elasticity of demand is the principle of economic which is defined as the measure that extent the consumer response to the changes in the quantity demanded as a consequence of price change and being others factors are equal.

Computing the elasticity of demand for jelly beans as:

Elasticity of demand = Price Change / Quantity Change

where

Price Change is as:

Price = $1.60 + $2.00

= $3.60

Quantity change is as:

Quantity = 120 + 80

= 200

So,

Elasticity of demand = $3.60 / 200 × 100

Elasticity of demand = 1.80

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