设甲带了x元则:(1-75%)x=(108-x)(1-4/5)解得:x=48
1/4甲=1/5乙,甲=4/5乙,108/(1+4/5)=60
设甲带的钱为X,乙的为Y..X+Y=1080.25X=0.2Y解出结果为Y=60 X=48
a+b=108a*0.25=b*0.2a=48b=60甲原来带了48yuan钱.
1/4x=1/5yx+y=108x+5/4x=108x=48y=60