Question

A fish tank with a capacity of 100 litre is filled with 20000 mililitre of water. how much more water is needed to fill it up completely?

Answer 1

Given:

A fish tank with a capacity of 100 litres is filled with 20000 ml of water.

To find:

how much more water is needed to fill it up completely?

Solution:

The capacity of a fish tank is 100 litres

converting litres to ml:

1 litre = 1000 ml

100 litres = 100 x 1000 ml

100 litres =  100000 ml

It is given that the fish tank is filled up with 20000 ml of water.

we need to find  how much more water is needed to fill it up completely:

=> 100000 ml - 20000 ml

=> 80000 ml

Hence, 80000 ml of more water is needed to fill it up completely.

Answer 2

⟹ Given :-

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• Capasity of Tank = 100 L
• Water filled in Tank = 20,000 ml

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⟹ To Find :-

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• Hum much more water will be needed, to fill the tank completely ?

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⟹ Solution :-

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$\footnotesize \sf \pink{Complete \: Water = Capasity \: of \: Tank - Water \: filled \: in \: Tank} \\ \\ \footnotesize\sf{Complete\:Water = 100\:L - 20,000\:ml} \\ \\ \footnotesize\sf{Complete \: Water = 100,000 \: ml- 20,000 \: ml} \\ \\ \longmapsto\boxed{\footnotesize \sf \red{ =80,000 \: ml }}$

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⟹ Hence :-

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• The tank filled with = $\tt\pink{80,000\:ml}$

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