Rain

It rains at night. On 1 m² of lake will drop 60 liters of water. How many cm will the lake level rise?

Correct answer:

x =  6 cm

Step-by-step explanation:

$$\begin{gathered} S_1=1\cdot 10^2=100{\text{dm}}^2 \\ V=60{\text{dm}}^3 \\ h=V\mathrm{/}{S}_1=60\mathrm{/}100={\displaystyle \frac{3}{5}}=0.6\text{ dm } \\ x=10\cdot h=10\cdot 0.6=6\text{ cm} \end{gathered}$$

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