Q 3) The cost of a book is represented by x and that of a practical file by y. Then the
algebraic expression representing the cost of 7 books and 8 practical files is
a) 8x+7x
b) 7x+8y
c) 7x+3y
d) 6x+4y
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Answer:
7x+8y please fttue fitted rtatedtsf
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