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the library has a total collection of 2630 books. the number of non-fiction books is 240 fewer than the number of fiction books but 190 more than the number of picture books. how many books of each type are there in the library?
let the no of non fiction books be x so, no of fiction books = x+240 and no of picture books = x -190 total no of books = x+x+240+x-190 = 2630 or, x = 860 = no of non fiction books no of fiction books = 860+240 =1100 no of picture books = 860-190 = 670
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