Question

the paint in a certain container is sufficient to paint an area equal to 9.375 metre square how many bricks of dimension 22.5 CM x 10 cm X 7.5 CM can be painted out of this container ​

Answer 1

Volume of paint = 9.375 m2 = 93750 cm2

Dimension of brick = 22.5 cm×10 cm×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

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Answer 2

Answer:

Step-by-step explanation:

See this attachment

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