Built-up area
John build-up area 4.3 x 6.3 = 27.09 m2 with building with a wall thickness 25 cm. How many centimeters would he have to subtract from the thickness of the walls that the built-up area fell by 5%?
Correct answer:
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algebraarithmeticplanimetricsbasic operations and conceptsUnits of physical quantitiesGrade of the word problem
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