r /......../......../ ( rate )
g/......../ ( gaste )
G/......./......../......../........./ ( gaini)
observam ca cele 75 de gaini in plus sunt reprezentate de cele 3 segmente egale
cat este un segment?
75 : 3 = 25
cate rate sunt?
2 x 25 = 50 rate
cate gaste sunt?
1 x 25 = 25 gaste
cate gaini sunt?
4 x 25 = 100 gaini