The internal measures of a cuboidal room are 9.5m x 8.1m * 4m Find the total cost of whitewashing all four walls of a room, if the cost of white washing is 5 per m ^ 2 . What will be the cost of white washing if the celling of the room is also whitewashed.
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total cost = 1088.75
EXPLANATION
cubiod has 4 sides + 1 top(ceiling ) + 1 bottom .
there is no white washing for bottom.
Total Cost = 384.75 + 704
= 1088.75 rupees
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