The wall

We have to build a cuboid wall with dimensions based on 30 cm and 45 cm and a height of 3.25 meters. Calculate how many we need bricks if we spend 400 pieces of bricks to 1 m3 of the wall.

Correct answer:

n =  176

Step-by-step explanation:

a=30 cm m=30:100  m=0.3 m b=45 cm m=45:100  m=0.45 m c=3.25 m  V=a b c=0.3 0.45 3.25=8003510.4388 m3  n=V 400=0.4388 400=176



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