Tiles

How many 46 cm square tiles will cover a floor 22.08 m by 8.74 m?

Correct answer:

n =  912

Step-by-step explanation:

$$\begin{gathered} t=46\text{ cm}\to \text{ m}=46\mathrm{/}100\text{ m}=0.46\text{ m } \\ {S}_1=22.08\cdot 8.74=192.9792{\text{m}}^2 \\ {S}_2=t^2=0.46^2={\displaystyle \frac{529}{2500}}=0.2116{\text{m}}^2 \\ n={\displaystyle \frac{S_1}{S_2}}={\displaystyle \frac{192.9792}{0.2116}}=912 \end{gathered}$$

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Showing 2 comments:

Math student

where did you get 100?

2 years ago  Like

Eliska

100 si factor of conversion cm to meters.

https://www.hackmath.net/en/calculator/conversion-of-length-units?a=1&unit1=cm&unit2=m&submit=Convert&dir=0

2 years ago  Like

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