Question

the paint in a certain container is sufficient to paint an area equal to 9.375 m2 . how many bricks of diameter 22.5 cm × 10 cm X 7.5 CM can be painted out of this container​

Answer 1

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Volume of paint = 9.375 m² = 93750 cm²

Dimension of brick = 22.5 cm × 10cm × 7.5 cm

Total surface area of a brick = 2(lb + bh + lh) cm²

= 2(22.5×10 + 10×7.5 + 22.5×7.5) cm²

= 2(225 + 75 + 168.75) cm²

= 2 × 468.75 cm² = 937.5 cm²

Number of bricks can be painted = 93750/937.5 = 100. (Answer).

Step-by-step explanation:

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