(1)X克盐水含盐量为X*4%,(X-Y)含盐量不变.
(2)x*4%/(X-Y)=10%
(X*4%+200*5%)/(X-Y+200)=6%
解方程为X=125,Y=75
所有X*4%=5
答:(X-Y)克溶液含盐量为5克,X克溶液含盐量为5克.X为125,Y为75.
(1)X克盐水含盐量为X*4%,(X-Y)含盐量不变.
(2)x*4%/(X-Y)=10%
(X*4%+200*5%)/(X-Y+200)=6%
解方程为X=125,Y=75
所有X*4%=5
答:(X-Y)克溶液含盐量为5克,X克溶液含盐量为5克.X为125,Y为75.