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watermelon markets relationship between supply and demandCompetitorSupply and demand curveelasticityCompetitor:students experiment marketstudents dining roomQinqin marketSenxin marketwatermelons relationship ofprice and quantity of sale table 价 格 （元/斤）43.5321.5销 售 量 （斤）1002004008001000When price is 2, watermelons supply and demand as follow:price of watermelonquantity of demanded3.5400360028001.51000watermelons supply demand curveprice of watermelonquantity of watermelon0demandwhen watermelons price is 4 yuan, watermelons elasticpricequantitydemand4100550
