400g to 2.5kg

400g to 2.5kg

@"Science tutor" answers questions for you
.
400g: 2.5kg
=400g: 2500g
=4: 25 [this is the simplest integer ratio]
=4 / 25 [this is the ratio]
.
@If you are not clear, you are welcome to ask. If you are satisfied, please accept it in time! I wish you progress in your study!