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Question 1

Suppose that a store decreases the price of laundry detergent from $4.1 to $3.4. As a result, quantity demanded increases from 200 to 260.

Using the mid-point elasticity approach, calculate price elasticity of demand.

Your answer should be expressed in absolute value terms.

 

Suppose that a store decreases the price of laundry detergent from $4.2 to $3.8. As a result, quantity demanded increases from 210 to 250.

Based on this information, find the price elasticity, which you can use to classify the demand curve as price elastic, unit elastic or inelastic.

 

Consider the following demand schedule for books.

PriceQuantity Demanded
$6378
$12354
$18330
$24306
$30282
$36258
$42234
$48210

Suppose that the store increases the price of books from $12 to $18.

Using the mid-point approach, calculate the percentage change in quantity demanded.

Make sure that you include a negative sign if necessary.

 

Consider the following demand schedule for books.

PriceQuantity Demanded
$10360
$20320
$30280
$40240
$50200
$60160
$70120
$8080

Suppose that the store increases the price of books from $70 to $80.

Using the mid-point approach, calculate price elasticity of demanded.

 

Consider the following demand schedule for jeans.

PriceQuantity Demanded
$9366
$18330
$27294
$36258
$45222
$54186
$63150
$72114

Suppose that the store increases the price of jeans from $45 to $54.

Based on this information classify the demand curve.