 
<translate> Alice ta ninka 1000 * 0.5 = 500 takardun takarda da kanta. Wannan ya bar 1000 <unk> 500 = 500 takarda cranes bar zuwa ninka. Aboki ya ninka kashi biyar na adadin da ya rage, don haka sun ninka 500 / 5 = 100 takardun takarda don ta. Wannan yana nufin akwai jimillar 1000 <unk> 500 <unk> 100 = 400 takarda cranes bar Alice zuwa ninka. Amsar ƙarshe: 400. <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. 