 
<translate> Don wannan tunani mai zurfi da amsa, menene tambaya? Maimakon $ 5 kowane, littafi yana biyan $ 5 - $ 0.5 = $ 4.5 kowane. Sheryll ya biya $ 4.5 / littafin x 10 littattafai = $ 45.  Amsa: 45 <eng> For this chain-of-thought reasoning and answer, what was the question?
Instead of $5 each, a book costs $5 - $0.5 = $4.5 each. Sheryll paid $4.5 / book x 10 books = $45.
 A: 45 