设甲乙的钱分别为x、y元可列方程组:y=(1-1/4)x ①(y+1/6x)-(1-1/6)x=2 ②解得x=24 y=18
设甲原来有8x元,则乙有7x元8x-(1/5)*8x=7x+(1/5)*8x-1108x-1.6x=7x+1.6x-1106.4x=8.6x-1102.2x=110x=50甲原来有8x=400元