The kitchen

The kitchen has the shape of a square with a side of 5 m.
We place linoleum on the floor, the price of which is 450 CZK per 1 m².
The glue costs 750 CZK.
How much do we pay in total?

Correct answer:

x =  12000 Kc

Step-by-step explanation:

$$\begin{gathered} a=5\text{ m } \\ c=450{\text{Kc/m}}^2 \\ l=750\text{ Kc } \\ S=a^2=5^2=25{\text{m}}^2 \\ x=l+S\cdot c=750+25\cdot 450=12000\text{ Kc} \end{gathered}$$

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