Question

what percentage of 45liters is 20 litres?
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Answer 1

Answer:

Let x% of 45 liters is 20 liters.

Then we've,

45x/100 = 20

x = 9

So 9% of 45 liters is 20 liters.

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Answer 2

Answer:

We will get 400/9% of 45 liters is 20 liters.

Step-by-step explanation:

• We have to evaluate the above expression by using the given data.

          Given data:- x% of 45liters is 20 liters.  

          To find:-Value of x%.

          Solution:-

• A percentage is a fraction of an amount expressed as a particular number of hundredths of that amount.

• It is denoted by %.

• We are using the unitary method to calculate the percentage of numbers.

• Fractions can be converted into percentages and vice-versa.

        Therefore,

          $x\%\ of\ 45\ liters\ is\ 20\ liters\\\\=>\frac{x}{100} \times 45=20\\\\->\frac{45x}{100} =20\\\\=>45x=20\times100\\\\=>45x=2000\\\\=>x=\frac{2000}{45}\\\\=>x= \frac{400}{9}\%$