COST OF 3 BOOKS AND 2 PENS COST₹ 70 .COST OF 2 BOOKS AND 3 PENS COST ₹ 80.WHAT IS THE COST OF 5 BOOKS AND 5 PENS ? WHAT IS THE COST OF ONE BOOK AND ONE PEN?
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Answer:
8 rs/ pen. 24rs/pen
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Answered by
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Answer:
condition
3x+2y=70_(1)
2x+3y=80_(2)
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