At a large summer beach resort, the weekly supply-and demand equations for folding beach chairs are

The supply equation indicates that the supplier is willing to sell x units at a price of p dollars per unit. The demand equation indicates that consumers are willing to buy x units at a price of p dollars per unit. How many units are required for supply to equal demand? At what price will supply equal demand?

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P P X 3 140 4 5,670 Supply equation Demand equation