帮我算啊,我才六年级不会算啊
设姗姗有x元,云云有y元,
(x+100)/(y-100)=2
(y+10)/(x-10)=6
x=40 y =170
所以姗姗有40圆,云云有170元
希望采纳!!1
设姗姗x,云云y
x+100=2(y-100)
6(x-10)=y+10
x=
y=