 
<translate> Alice na-agbakọ 1000 * 0.5 = 500 akwụkwọ cranes site onwe ya. Nke a na-ahapụ 1000 <unk> 500 = 500 akwụkwọ cranes fọdụrụ ka mpịachi. Otu enyi ya na-ekewa otu ụzọ n'ụzọ ise nke ego ahụ fọdụrụnụ, n'ihi ya, ha ekewo 500 / 5 = 100 akwụkwọ ndị e ji emepụta ihe maka ya. Nke a pụtara na e nwere ngụkọta nke 1000 <unk> 500 <unk> 100 = 400 akwụkwọ cranes ekpe maka Alice ka apịaji. Azịza ikpeazụ ya bụ narị anọ. <eng> Alice folds 1000 * 0.5 = 500 paper cranes by herself. This leaves 1000 – 500 = 500 paper cranes left to fold. A friend folds a fifth of the remaining amount, so they have folded 500 / 5 = 100 paper cranes for her. This means there is a total of 1000 – 500 – 100 = 400 paper cranes left for Alice to fold.
The final answer: 400. 