Swimming pool

The swimming pool has the shape of a block with dimensions of 70dm, 25m, 200cm. How many hl of water can fit into the pool?

Correct answer:

V =  3500 hl

Step-by-step explanation:

$$\begin{gathered} a=70\text{ dm}\to \text{ m}=70\mathrm{/}10\text{ m}=7\text{ m } \\ b=25\text{ m } \\ c=200\text{ cm}\to \text{ m}=200\mathrm{/}100\text{ m}=2\text{ m } \\ {V}_1=a\cdot b\cdot c=7\cdot 25\cdot 2=350{\text{m}}^3 \\ V=V_1\to \text{ hl}=V_1\cdot 10\text{ hl}=350\cdot 10\text{ hl}=3500\text{ hl}=3500\text{ hl} \end{gathered}$$

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