A fall in the price of X from $6 to $4 increases the quantity of Y demanded from 900 to 1,100 units.What is the cross elasticity of demand for Y with respect to the price of X?
A)0.5
B)-0.5
C)2
D)-2
E)Either 0.5 or -0.5,depending on whether X and Y are substitutes or complements.

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The Answer of A fall in the price of X from $6 to $4 increases the quantity of Y demanded from 900 to 1,100 units.What is the cross elasticity of demand for Y with respect to the price of X?
A)0.5
B)-0.5
C)2
D)-2
E)Either 0.5 or -0.5,depending on whether X and Y are substitutes or complements.

A Fall in the Price of X from $6 to $4