matt gives half of his books to the local library and kept the other half.his best friend gives him 3 more books.he now has 57 books.how many did he have to start



Answer :

dln
since he now has 57, before h was given three, he had 54.
if 54 was only the half he kept after giving his books to the library
54(2)=108 books to start with
57-3= 54
54x2=  108

Answer: 108

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