Natasha and Sonja drank 12 l of cool water. Natasha drank twice as much as Sonja. how many litres did Natasha drink?

N = 2S

N + S = 12

2S + S = 12

3S = 12

S = 12/3

S = 4

N = 2S

N = 2 (4)

N = 8 litres

Who knows? I think it’s eight