Question

A wooden bookshelf has external dimensions as
follows: Height = 110 cm, Depth = 25 cm,
Breadth = 85 cm. 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 and the rate of painting is 10 paise per cm,
find the total expenses required for polishing and
painting the surface of the bookshelf.




Please answer briefly, I will surely mark ur answer as Brainliest ​

Answer 1

Answer:

cost of polishing= RS.5690

cost of painting= RS.2025