Question

[Đỗ Thị Mai ANH]

1 cua hang buoi sang ban 1/2 so gao cua hang co,buoi chieu ban 3/5 so gao con lai va 70 kg thi vua het.hoi ca sang va chieu cua hang do ban duoc bao nhieu kg gao?

Answer 1

[hazuna]

70 kg tuong ung voi phan so la 

1-3/5 = 2/5 (kg)

buoi sang ban dc so kg gao la 

70 :2/5 = 175 (kg)

buoi chieu ban dc so kg gao la 

175: 1/2 = 350(kg)

ca 2 buoi ban dc so kg gao la 

175 +350 = 525 (kg)

d/s :.....