dung mua 4 hop but, moi hop co 8 cai dung phai ta la 96000 dong hoi gia tien 1cay but la ?dong

co phu trach mua 10 cai but xoa va 8 cai but bi het 128.000 dong lan2 mua 7 cai but xoa va 8 cai but bi het 104.000 dong. Tinh gia tien cua 1 cai but xoa, 1 cai but bi?

(ai tra loi dung minh tich cho nho lam han loi giai phep tinh ra nhe)

ba lop 6a,6b,6c chia nhau mot so but may dung trong 6 hop . So but dung trong 6 hop nhu sau : hop 1 co 31 cai but , hop 2 co 20 cai but, hop 3 co 19 cai but , hop 4 co 18 cai but , hop 5 co 16 cai but , hop 6 co 15 cai but . Hai lop 6a va 6b nhan duoc 5 hop va so but ma lop 6a nhan gap 2 lan so but cua lop 6b. Hoi moi lop nhan duoc bao nhieu cai but ??

Giai ra nhe !!!!

cua hang de bang gia 1ta but chi la 15000 dong .ban an muon mua 6 cai but chi loai do thi phai tra nguoi ban hang  bao nhieu tien ?

CUA HANG DE BANG GIA 1 TA BUT CHI LA 15000 DONG . BAN AN MUON MUA 6 CAI BUT CHI LOAI DO THI PHAI TRA NGUOI BAN HANG BAO NHIEU TIEN

moi cai but xanh gia 1200 dong,moi cai but do gia 1500 dong.hoi mua 2 but xanh va 2 but do het tat ca bao nhieu tien ( giai bang hai cach )

mot nguoi mua 24 cai but va 36 quyen vo.moi cai but gia 1500 dong,moi quyen vo gia 2200 dong.hoi nguoi do phai tra bao nhieu tien?

Mot nguoi mua 600 cai bat.Khi chuen cho da co 69 cai bat bi vo.Moi cai bat con lai nguoi do ban voi gia 6 000 dong va lai duoc 18% so voi tien mua bat.Hoi gia tien mua moi ta bat la bao nhieu dong?

gia ban mot cai but chi la 2000 dong . neu giam 10 phan tram gia ban thi mua chiec but chi do phai tra bao nhieu tien