Math, asked by ku0udedeanjukutt, 1 year ago

the cost of one pen and two books together is Rs 70. The cost of three pens and nine books together is Rs 300. find the difference between the cost of a book and a pen

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Answered by saniarisha

1

Please see the attachment.

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Answered by kannanvim1234

0

Answer:

Step-by-step explanation:

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