It can be seen from this information that three footballs+two rackets = two footballs+four rackets, and there are two footballs and two rackets on the left and right, so if you remove this, it will become 1 football = two rackets, 1 racket 25 yuan, 1 football 25×2=50 yuan, and then it will be 50× 3+.

A: Teacher Wang brought 200 yuan.