Exhibit 6-20 Refer to Exhibit 6-20.If D, D' and D'' represents the demand curves for the only three consumers in a market, then the market quantity demanded at a price of $30 will be:
A)40
B)60
C)80
D)100
E)120

Question

Exhibit 6-20  Refer to Exhibit 6-20.If D, D' and D'' represents the demand curves for the only three consumers in a market, then the market quantity demanded at a price of $30 will be:
A)40 
B)60 
C)80 
D)100 
E)120

Quizplus · Accepted Answer

The Answer of Exhibit 6-20  Refer to Exhibit 6-20.If D, D' and D'' represents the demand curves for the only three consumers in a market, then the market quantity demanded at a price of $30 will be:
A)40 
B)60 
C)80 
D)100 
E)120