Pat's bookstore had 658 more books than Kim's Bookstore. When Kim's Bookstore sold 242 books, the number of books in Pať's Bookstore is thrice the number of books left in Kim's bookstore. a) How many books are there in Kim's Bookstore in the end? b) How many additional books does Kim's bookstore have to sell so that the 1 of the number of books in Pat's bookstore? number of books left is

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Matrices

‘Matrices’ is the plural form of the word matrix, and it is basically a spreadsheet in the form of a box. In mathematics, various functions can be carried out with matrices. Generally, a matrix comes in the shape of a square or rectangle. The elements are distributed horizontally in the form of rows, and vertically in the form of columns.