Answer:
not enough information
Step-by-step explanation:
-3x+5y=30
+3x+5y=30
5y=3x+30
divide 5 by everything
answer: y=3/5x+6
We can assume that we added in Xml water, because the 7%alcohol is unchanged, so we can get the equation of: 0.7/(10+X)=5%, than we can know the X=4ml
Answer:
y=7 x=17
Step-by-step explanation:
2y+3=y+10
x=7+10