The graph below shows the weekly demand for bathing suits at a resort town in North Carolina.

Instructions: Enter your answers as a whole number.

a. At a price of $60 per bathing suit, what is the quantity demanded of bathing suits?

20 Numeric Response

b. At a price of $50 per bathing suit, what is the quantity demanded of bathing suits?

30 Numeric Response

c. A decrease in price from $60 to $50 per bathing suit represents a ______ decrease in price.

multiple choice 1

• 9.11%
• 10%
• 16.67% Correct
• 5%

d. A decrease in price from $60 to $50 per bathing suit causes a ______ increase in quantity demanded.

multiple choice 2

• 40%
• 33.33%
• 50% Correct
• 25%

e. Using the starting point method, at a price of $60 the price elasticity of demand for bathing suits is:

multiple choice 3

• 4.
• 3. Correct
• 5.
• 1/4.

The answers here are correct but can you show me how to get them? I tried doing them independently but kept getting different solutions using the midpoint formula. Thanks!