 
<translate> Otu iko jupụtara na mmiri 6 x 4 / 5 = 24 / 5 ounces. N'ihi ya, otu iko mmiri dị gram iri isii na isii nwere mmiri dị gram iri anọ na anọ na ọkara. Iji jupụta iko iri ahụ n'ọnụ ọnụ, a chọrọ 10 x 6 = ounce 60 nke mmiri. N'ihi ya, a ka chọrọ mmiri dị ounce 60 - 48 = 12. Azịza ikpeazụ ya bụ: 12. <eng> A glass is filled with 6 x 4 / 5 = 24 / 5 ounces of water. So, 10 6 - ounces of glasses contains a total of 24 / 5 x 10 = 48 ounces of water. To fill the 10 glasses to the brim, 10 x 6 = 60 ounces of water are needed. Hence, 60 - 48 = 12 ounces of water are still needed.
The final answer: 12. 