A consumer buys 80 units of a good at a price of Rs. 5/- per unit. Suppose price elasticity of demand is (-)2. At what price will he buy 64 units ?

Dear student,

P= price of the good= Rs 5Q= quantity of commodity= 80 unitsQ'= new quantity= 64 unitslet P'=price at which he buys 64 unitsP=P-P'=5-P'Q=Q-Q'=80-64= 16 unitsElasticity of demand= (-)2=QP×PQ=165-P'×564(-)2×(5-P')=8064-640+128P'=80128P'=640+80P'=720128=Rs 5.625

Regards!!​​​​​​

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