When a market is in equilibrium, the: multiple choice 1 quantity demanded equals the price. quantity demanded equals the quantity supplied at the market price. quantity demanded equals the quantity supplied and they both equal the price. quantity supplied equals the price. The market for cell phones reaches equilibrium because cell phone sellers have an incentive: multiple choice 2 to decrease quantity and so do cell phone consumers, so the price goes to to equilibrium. for prices to rise and some cell phone consumers will not buy at higher prices, driving the price to equilibrium. to increase quantity and so do cell phone consumers, so the price goes to to equilibrium. for prices to fall and some cell phone consumers only buy at higher prices, driving the price to equilibrium.