A wall 40 cm thick and 3.5 m high is to be built all around , inside of a rectangular garden 40 mX 30.8 m with an gate 3m wide .If 10 % of the wall is occupied by the cement ,how many bricks of size 21 cmX 13.7 cm X5 cm are required to build the wall ?Also,if a brick costs Rs. 3.5 ,caalculate the total cost of brick
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Step-by-step explanation:
- t=40/100=.4m volume of wall=40×30.8×3.5=
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