Bricks wall

There are 5000 bricks. How high wall thickness of 20 cm around the area which has dimensions 20 m and 15 m can use these bricks to build? Brick dimensions are 30 cm, 20 cm and 10 cm.

Correct result:

v =  0 cm


V=5000 0.30 0.20 0.10=30 o=2 (20+2 0.20+15)=70.8 M=0.20 o=0.20 70.8=35425=14.16 v=V/M 100=30/14.16 100=1250059211.8644=0 cm

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