There are three sellers A- B and C in a market- Their supply curves are given by the following equations- qA -5 p-30- - p lgeq 8 lq B-2 p-20- - p lgeq 10 1q C -3 p -10- - p 15 What is the total quantity supplied at a market price of Rs 10 -A- 20B- 60C- 80D- 100

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Market Supply Curve

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Question

There are three sellers A, B and C in a market. Their supply curves are given by the following equations.

$q_{A} = 5 p - 30, p \geq 8 q_{B} = 2 p + 20, p \geq 10 q_{C} = 3 p + 10, p \geq 15$

What is the total quantity supplied at a market price of Rs 10?

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Solution

The correct option is B
60

Note that the supply curve of C starts only above a price level of 15. Hence, at a price of Rs 10, only the supply curves of B and C are relevant.

$q = q_{A} + q_{B} \Rightarrow q = 7 p - 10$

At p=10, the quantity supplied is 60 units.

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There are three sellers A, B and C in a market. Their supply curves are given by the following equations. qA=5p−30, p≥8qB=2p+20, p≥10qC=3p+10, p≥15 What is the total quantity supplied at a market price of Rs 10?

The correct option is B 60 Note that the supply curve of C starts only above a price level of 15. Hence, at a price of Rs 10, only the supply curves of B and C are relevant. q=qA+qB⇒q=7p−10 At p=10, the quantity supplied is 60 units.

There are three sellers A, B and C in a market. Their supply curves are given by the following equations.

$q_{A} = 5 p - 30, p \geq 8 q_{B} = 2 p + 20, p \geq 10 q_{C} = 3 p + 10, p \geq 15$

What is the total quantity supplied at a market price of Rs 10?

The correct option is B
60

Note that the supply curve of C starts only above a price level of 15. Hence, at a price of Rs 10, only the supply curves of B and C are relevant.

$q = q_{A} + q_{B} \Rightarrow q = 7 p - 10$

At p=10, the quantity supplied is 60 units.