Mathematics, 24.06.2019 06:50, daniiltemkin20

Demand for a brand of clock radio is given by p+3q=390 , and the supply for these radios is given by p=7q=90 , where is the price and is the quantity demanded at price . solve the system containing these two equations to find the price at which the quantity demanded equals the quantity supplied and the equilibrium quantity.

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Demand for a brand of clock radio is given by p+3q=390 , and the supply for these radios is given by...