At a price of $2.23 per bushel, the supply of a certain grain is 7100 million bushels and the demand is 7900 million bushels. at a price of $2.32 per bushel, the supply 7500 million bushels and the demand is 7800 million bushels (a) find a price-supply equation of the form p mx b, where p is the price in dollars and x is the supply in millions of bushels. els llars and: and millions ation where p is the price the mp x+ (c) find the eauilibrium point (d) graph the price-supply equation, price-demand equation, and equilibrium point in the same coordinate system