Răspuns :
28:7=4 baieti
100:4=25
deci 25 la suta sau 0,25 baieti
28-7=21fete
100la suta -25 la suta=75 la suta
21=75 la suta fete
100:4=25
deci 25 la suta sau 0,25 baieti
28-7=21fete
100la suta -25 la suta=75 la suta
21=75 la suta fete
28 .....................................100%
7......................................... X %
X=7*100:28=700:28=25%
a) baieti = 25%
b) fete = 100%-25%=75%
7......................................... X %
X=7*100:28=700:28=25%
a) baieti = 25%
b) fete = 100%-25%=75%