Question

a wooden bookshelf has external dimensions as follows height=110cm depth=25cm breadth=85cm .The thickness of the plank is 5 cm everywhere.The external faces are to be polished and the inner faces are to be painted. If the rate of polishing is 20 paise per cm square and the rate of painting is 10 paise per cm square then find the total expenses required for polishing and painting the surface of the bookshelf​

Answer 1

Answer:

ahaba

Step-by-step explanation:

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Answer 2

Answer:

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Step-by-step explanation:

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