Question: The demand function for a product is p = 140 - 2x, where p is the number of dollars and x is the number

The demand function for a product is p = 140 - 2x,

The demand function for a product is p = 140 - 2x, where p is the number of dollars and x is the number of units. If the equilibrium price is $20, what is the consumer's surplus? $1,130 $400 $1,190 $745 $485

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