Tiles

The rectangular floor of the 6 x 1.8 m dimensions is to be covered with 50 cm square tiles. How many tiles will be needed?

Correct result:

n =  48

Solution:

a=6 m b=1.8 m  x=50 cmm=50/100 m=0.5 m  n1=a/x=6/0.5=12 n2=b/x=1.8/0.5=4  n=n1 n2=12 4=48a=6 \ \text{m} \ \\ b=1.8 \ \text{m} \ \\ \ \\ x=50 \ cm \rightarrow m=50 / 100 \ m=0.5 \ m \ \\ \ \\ n_{1}=a/x=6/0.5=12 \ \\ n_{2}=\lceil b/x \rceil=\lceil 1.8/0.5 \rceil=4 \ \\ \ \\ n=n_{1} \cdot \ n_{2}=12 \cdot \ 4=48



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