 
<translate> Alissa na-agbagọ ya ugboro atọ, nke a na-eme ka e nwee mpempe akwụkwọ 2 × 2 × 2 = 8 maka mpempe akwụkwọ nke ọ bụla. N'ihi ya, iberibe akwụkwọ ozi ise hà ka akwụkwọ ozi na-eme 5 × 8 = iberibe akwụkwọ ozi iri anọ. Otu mpempe akwụkwọ ga-adịru ụbọchị 40 ÷ 10 = 4 ma ọ bụrụ na mmadụ edee ihe 10 n'ụbọchị. Azịza ya bụ: 4. <eng> Alissa folding it 3 times makes 2 × 2 × 2 = 8 pieces of note - size paper per letter - size paper. So 5 pieces of letter - size paper make 5 × 8 = 40 pieces of note - size paper. 1 note pad would last 40 ÷ 10 = 4 days if someone wrote 10 notes a day.
The answer: 4. 