how much floor is needed to add for making porridge

Question

To prepare old granma’s porridge you need 3.5 liters of water for every kilogram of flour. If you
pour 2.8 liters of water in a pot, how much flour do you have to add?

 

Answer 1

To prepare old granma’s porridge you need 3.5 liters of water for every kilogram of flour. If you
pour 2.8 liters of water in a pot, how much flour do you have to add?

Set up a ratio:

x / 1 kg = 2.8L / 3.5L
x = 0.8 kg