Pavilion

The rectangular pavilion with dimensions 3.5 m and 2.75 m to be paved with square tiles of side 25 cm price of CZK 22 per 1 piece or rectangular tiles with sides of 20 cm and 15 cm in the price of CZK 11 per 1 pc. Which solution is cheaper (write its price)?

Correct result:

x =  3388 Kč

Solution:

$$\begin{gathered} x=3.5\cdot 2.75\mathrm{/}0.25^2\cdot 22=3388 \\ y=3.5\cdot 2.75\mathrm{/}(0.15\cdot 0.2)\cdot 11=3529.167 \\ x>y \\ x=3388\text{ Kc} \end{gathered}$$

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