Question

Natalia have decided to build a garage and begin by calculating the number of bricks required The garage was to be 6 m by 4 m and 2.5 metres in height. each brick measures 22 CM by 10 cm by 7 cm. Natalia estimated that she would need about 40,000 bricks. Is this a reasonable estimate?​

Answer 1

Yes it is a reasonable estimate,

Dimensions of the garage =6cm,4cm,2.5cm,

Dimensions of brick=22cm,10cm 7cm,

So, first convert m into cm : 1m = 100cm

600cm,400cm,250cm,

600×400×250,

60000000 cm^2.

22 cm, 10 cm, 7 cm,

22×10×7

1540 cm^2 .

So number of bricks= 60000000/1540,

38961 bricks are required which are less than 40000 bricks.

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