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Olimpiade Sains Kota (OSK) 2010 - Ekonomi , Nomor 13

13

The supply and demand of textile materials at Surabaya Show in the function below:

Qd = 180 – 20P

Qs = -20 + 5P

Based on those two functions, the equilibrium price of textile material in Surabaya is ....

A. 3

B. 5

C. 7

D. 8

E. 10