Bathroom 2

A bathroom is 2.4 meters long and 1.8 meters wide. How many square tiles 1 dm on each side are to be used to cover it?

Correct result:

n =  432

Solution:

a=2.4 10=24 dm b=1.8 10=18 dm S1=1 1=1 dm2 S2=a b=24 18=432 dm2 n=S2/S1=432/1=432



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