Measuring the length of the first-class house, the height of the height is five meter 4 meters and 3 meters respectively, if 55 cents per square meter, the cement will be used to cement the floor of the house?
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Area is 5×4 m^2
=20 m^2
1 m^2 requires 55 cents
So 20 m^2 requires (20×55) cents
=1100 cents
=11 dollars
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