a room 9m×7.5m us covered with tiles size of each tile is 25cm by 20cm find the cost of tiles at the rate of rupees45 per tile
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Answer:
Step-by-step explanation:
AREA OF THE ROOM = 9M*7.5M=67.5M^2
AREA OF A TILE= 25*20= 500CM^2
67.5M^2= 67500CM^2
NO. OF TILES REQUIRED= AREAOF THE ROOM/AREAOF A TILE
= 135 TILES
COST OF EACH TILE = RS45
THEREFORE COST OF 135 TILES = COST OF EACH TILE * NO.OF TILES
= 135*45= RS 6075.
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