设售价为X,进价为Y
[X-(1-12%)Y]/(1-12%)Y-(X-Y)/Y=18%
X-0.88Y-0.88X+0.88Y=0.88*0.18Y
0.12X=0.1854Y
X=1.32Y
提高后的利润率:[1.32Y-(1-12%)Y[/(1-12%)Y=0.44Y/0.88Y=50%
设售价为X,进价为Y
[X-(1-12%)Y]/(1-12%)Y-(X-Y)/Y=18%
X-0.88Y-0.88X+0.88Y=0.88*0.18Y
0.12X=0.1854Y
X=1.32Y
提高后的利润率:[1.32Y-(1-12%)Y[/(1-12%)Y=0.44Y/0.88Y=50%