mot nguoi mua 1 cai may tinh het 5000000 dong sau do dem di ban tinh ra so voi von lai 25phan tram vay tien lai chiem bao nhieu phan tram so voi gia ban
1 nguoi mua 1 cai may het 5000000 dong sau do dem di ban tinh ra so voi von lai 25phan tram vay tien lai chiem bao nhieu phan tram tien ban
Mot nguoi ban mot cai dong ho voi gia 460000dong ;tinh gia tien lai bang15% tien von.Hoi muon tien lai bang 30%tien von thi nguoi do phai ban cai dong ho do voi gia bao nhieu?
ban mot cai quat may voi gia 336000 dong thi duoc lai 12% so voi tien von tinh tien von cua 1 cai quat may
1 nguoi bo ra 450 000 dong tien von de mua mot cay quat nguoi do da ban cay quat voi gia 486 000 dong hoi nguoi do lai bao nhieu phan tram tien von
Ban mot cai may quat voi gia 336000 dong thi duoc lai 12% so voi tien von .Tinh tien von cua mot cai may quat
mot nguoi ban mot cai quat voi gia 198000dong thi lai 10% tien von 1 cai quat.hoi de lai 10% gia ban thi nguoi do phai ban voi gia bao nhieu tien
1 cua hang ban may quay sinh to voi gia 403300 dong tinh ra nguoi do lai duoc 9%gia von hoi nguoi do lai bao nhieu tien
Mot nguoi bo ra 100 000 dong mua rau de ban. Sau khi ban het so rau, nguoi do thu duoc 200 000 dong. Hoi tong so tien sau khi ban rau bang bao nhieu phan tram so voi so tien von ban dau? Nguoi do lai bao nhieu phan tram?