a retailer will buy 45 radios fom a wholesaler if the price is $10 each but only 20 if the price is $60. the wholesaler will supply 35 radios at $30 each and 70 radios at $50 each. assuming the supply and demand functions are linear, find the market equilibrium point.

Exploring Economics
8th Edition
ISBN:9781544336329
Author:Robert L. Sexton
Publisher:Robert L. Sexton
Chapter4: Demand, Supply, And Market Equilibrium
Section: Chapter Questions
Problem 20P
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a retailer will buy 45 radios fom a wholesaler if the price is $10 each but only 20 if the price is $60. the wholesaler will supply 35 radios at $30 each and 70 radios at $50 each. assuming the supply and demand functions are linear, find the market equilibrium point.

I started with using the equation for a line and moved on to demand equation, how do I find out the supply functions? Do I plug in the supply number as (P1,Q1) and (P2,Q2) and if they come out equal is that the equilibrium point or is there something I am missing?

 

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