Question

the price elasticity of demand of good X is double the price elasticity of demand of good Y.a 10℅ rise no the price of good Y results in fall in it's demand by 60 units. if original demand of commodity Y was 400,calculate percentage rise in quantity demanded of good X when its price falls from Rs 10to Rs8 per unit

Answer 1

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$(12 \times 12)01 \times \frac{?}{?}$