Write a program to read cost of 10 pens and find the cost of 5 pens

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Write a program to read cost of 10 pens and find the cost of 5 pens

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  1. Answer:

    Given total cost of 5 pens and 10 pencil = Rs 30

    5 pens + 10 pencils = 30

    pens + 2 pencils = 1

    also given pen cost 3 more than a pencil

    i.e, pen = 3 + pencil.

    pen – pencil = 3

    pens + 2 pencils = 6

    _______________

    -3 pencils = -3

    pencils = 1

    pen – 1 = 3

    pen = 4

    cost of pencils = 1    cost of pen = 4

    Step-by-step explanation:

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