Respuesta :

calculista
we know that
1 Kg is equals to--------------> 1000 g
so
 X Kg------------------------> 300 g
X=300/1000------> x=0.30 Kg

if  2 Kg cost--------------> £7.20
  0.30 Kg-------------> X
X=0.30*7.20/2------> x=1.08

the answer is 
£1.08

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