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The paint in a certain container …

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The paint in a certain container is sufficient to paint an area equal to 9.375 m². How many bricks of dimensions 22.5 cm × 10 cm × 7.5 cm can be painted out of this container?
  • 1 answers

Nisha Murali 3 years, 6 months ago

TSA of a brick = 2(l×b+ b×h + h×l) = 2 ( 22.5 × 10 + 10 × 7.5 + 7.5×22.5) = ( 225+75+168.75) cm^2 =2(468.75) cm^2 = 937.5 cm^2 937.5 cm^2÷100×100 There fore = 0.09375 m^2
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