Question

550 mili litre + ___ = 1 litre​

Answer 1

Answer:

1 ltr =1000 mili ltr

so 550 mili litre + 450 mili litre =1 litre

Answer 2

Let the number be x.

550 ml + x = 1 l

550 ml + x = 1000 ml

x= 1000-550

x = 450 ml

The answer is 450 milli litre.