You will need:
(2240/625)*250=896 ml of treatment liquid.
If each bottle contains 250 ml you'll need 3.6 bottles (3 bottles and a bit more than half a bottle).
I do not think you need the conversion 1 cubic meter=1000 litres unless the volume of the tank is in cubic meters BUT 2240 cubic meters seems too large!
Answer:
<h3><em>X=14.4</em></h3>
<em>Step-by-step explanation:</em>
<em>As triangles are similar </em>
<em>The ratio of the sides must be equal</em>
<em>so..</em>
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<em>hope it helps...</em>
<em>have a great day!!</em>