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# What Percent of 5 Litres is 400 mL?

## Understanding Metric Measurements

If you are confused about metric measurements, then it is important to understand the basic units of measurement in the metric system. This system is made up of units of length, volume, weight, and temperature. The basic unit of length is the metre, the basic unit of volume is the litre, the basic unit of weight is the gram, and the basic unit of temperature is the degree Celsius.

## Understanding Percentages

In order to understand what percent of 5 litres is 400 mL, you must also understand the concepts of percentages. A percentage is a way of expressing a number as a fraction of 100. So, if you want to know what percent of 5 litres is 400 mL, you need to find out what fraction of 5 litres is 400 mL, and then convert that fraction to a percentage.

## Calculating the Answer

To calculate the answer to our question, we need to first figure out what fraction of 5 litres is 400 mL. To do this, we divide the amount of mL we want (400 mL) by the total amount of litres (5 litres). This gives us a fraction of 0.8. To convert this fraction to a percentage, we multiply it by 100. This gives us an answer of 80%.

### Conclusion

So, the answer to our question is that 80% of 5 litres is 400 mL. This is a very simple calculation and is a great way to understand how to use fractions and percentages in everyday life.