设甲为X，乙为Y，则X+5X=5Y 300+4X=4Y-100得X=5/6Y X=Y-100得Y-100=5/6Y则Y=600 X=500
设甲为X，乙为Y则X+5X=5Y 300+4X=4Y-100得X=5/6Y X=Y-100得Y-100=5/6Y则Y=600 X=500
1100
