 
<translate> Tare da ajiyarta, Sara ta sayi littattafai biyu: littafi na 5.5 £ da littafi na 6.5 £. Ta ba da takardar kudi na £ 20 ga mai sayarwa. Nawa ne ta samu a baya? Ka ba ni dalilai, kafin ka amsa tambaya <eng> With her savings, Sara bought two books: a book for 5.5£ and a book for 6.5£. She gives a 20£ bill to the seller. How much change does she get back? Give me reasons, before answering the question 