Is my post or not?

There are many activities after school wich I often do. Firstly,I play volleyball with my friends,I alway sit, drink water and talk to my teammates.Secondly, I go swimming in the swimming pool .Thirdly,I do my home work and I help my mother do house work. In short, they are my favourite activities after school

x/0,5+x*0,5=0,75

x*2+x*0,5=0,75

x*(2+0.5)=0,75

x*2,5=0.75

x=0,75/2,5

x=0,3