Tug of War

$\text{4 boys= 5 girls }$ ,so $\text{1 girl=0.80 boys}$ ....................(1)

$\text{3 girls=1 dog}$ . so, $\text{1 dog}$ = $.80 \times 3$ $\text{=2.40 boys}$ ...........(2)

$\text{now, 1 dog+3girls=2.40 boys+2.40 boys=4.80 boys}$

as, $4.80>4$ , so, the side of the girls will win.