30 units are demanded at the price of rs 46 per unit .if price increases and becomes rs 50 per unit ,the demand decreases and becomes 15 units .find out co-efficient of the price elasticity of demand
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Given,P=Rs.26; P
1
=Rs.30;
△P=P
1
−P = Rs.30−Rs.26=Rs.4
Q=30 units; Q
1
=15 units; $$
△Q=Q
1
−Q=(15−30) units = (−)15 units
Price elasticity of demand (E
d
)=(−)
Q
P
×
△P
△Q
=(−)
30
26
×
4
−15
=
Given,P=Rs.26; P
1
=Rs.30;
△P=P
1
−P = Rs.30−Rs.26=Rs.4
Q=30 units; Q
1
=15 units; $$
△Q=Q
1
−Q=(15−30) units = (−)15 units
Price elasticity of demand (E
d
)=(−)
Q
P
×
△P
△Q
=(−)
30
26
×
4
−15
=
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