Răspuns :
b=f+5
f=75b/100
f=15b/20=3b/4
b=3b/4+5
b-3b/4=5
(4b-3b)/4=5
b=5·4
b=20 baieti
din b=f+5⇒f=b-5=20-5
f=15 fete
f=75b/100
f=15b/20=3b/4
b=3b/4+5
b-3b/4=5
(4b-3b)/4=5
b=5·4
b=20 baieti
din b=f+5⇒f=b-5=20-5
f=15 fete
Notam cu
b-baietii
f-fetele
b=f+5
f=75/100*b=3/4*b
b=3b/4+5
4b=3b+20
b=20 si f=20-5=15
Sper ca te am putut fii de folos!!
b-baietii
f-fetele
b=f+5
f=75/100*b=3/4*b
b=3b/4+5
4b=3b+20
b=20 si f=20-5=15
Sper ca te am putut fii de folos!!