A wall 4.5 m long and 3.5 high is covered with rectangular tiles of size 12 cm by 10 cm. Find the total cost of the tiles at the rate of 2.50 per tile .
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Answer:
first we have to find area of rectangular wall area of rectangle= lxb
= 4.8×3.5
= 16.8m square cost of tiles
2.50×16.8
= 42 ₹
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