Kichik bir oroldagi barcha erkaklarning qismining xotini bor, barcha ayollarning qismining eri bor. Agar orolda hammasi bo’lib 1900 kishi yashasa , bu oroldagilarning nechtasi oilali?
4 Комментариев для “29-iyul kuni uchun masala ( Necha kishi oilali)”
x+y=1900;
2/3*x=3/5*y;
x=9/10*y;
9/10*y+y=1900;
19/10*y=1900;
y=1000;
3/5*y=3/5*1000=3*200=600;
javob:600 ta.
600 ta erkak va 600 ta ayol oilali. Jami 1200 ta
Assalomu alaykum! Masalani tenglama tuzib yechish muumkin!
Javob: 600 ta.
Man nima bilan yechganga o’xshayman?