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Tennis Balls and Tennis Rackets Are Complements

Question 240

Multiple Choice

Tennis balls and tennis rackets are complements.If a 3 percent change in the price of a tennis racket leads to a 9 change in the quantity of tennis balls demanded,the cross elasticity of demand equals


A) 3.
B) -3.
C) 1/3.
D) -1/3.
E) 9.

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