How many cubic metres are there in $7500$ litres?

How many cubic metres are there in $7500$ litres?
  1. $7.5 \text{ m}^{3}$
  2. $0.75 \text{ m}^{3}$
  3. $75 \text{ m}^{3}$
  4. $750 \text{ m}^{3}$

Solution

$1000$ L $= 1 \text{ m}^{3}$, so $7500$ L $= 7.5 \text{ m}^{3}$.

Asked in: IMO

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