设定价为x元,每一台的利润为(x-2500)元,依题意列方程得
(x-2500)[8+ (3500-x)]=(3500-2500)×8×(1+12.5%),
整理得x2-6400x+10200000=0,
解得x1=3000,x2=3400;
答:定价为3000或3400元时.
设定价为x元,每一台的利润为(x-2500)元,依题意列方程得
(x-2500)[8+ (3500-x)]=(3500-2500)×8×(1+12.5%),
整理得x2-6400x+10200000=0,
解得x1=3000,x2=3400;
答:定价为3000或3400元时.