Răspuns :
r = nr nuferi roz
g=nr nuferi galbeni
a=nr nuferi albe
r=9
g=5r
r+g+a=100
9+9x5+a =100
54+a=100
a=46
g=nr nuferi galbeni
a=nr nuferi albe
r=9
g=5r
r+g+a=100
9+9x5+a =100
54+a=100
a=46