2 years, 5 months ago
2 years, 5 months ago
Hi
Let concentration of A be a% and B be b %
Now a:b =3:8
Now when 100ml of A and 150 ml of B will have total 250 ml solution and 250*0.2=50ml alcohol
Now adding alcohol concentrations : a+3b/2 =50
using a:b=3:8
we get a=10
so concentration of a will be 10%