The quantity demandedxeach month of Russo Espresso Makers is250when the unit pricepis$140; the quantity demanded each month is500when the unit price is$130. The suppliers will market750espresso makers if the unit price is$40. At a unit price of$70, they are willing to market3000units. Both the demand and supply equations are known to be linear.

(a) Find the demand equation.

p=

(b) Find the supply equation.

p=

(c) Find the equilibrium quantity and the equilibrium price.

equilibrium quantity ___units

equilibrium price____$