Respuesta :

DarkBlue
150g_______12cakes
xg_________30cakes
x=150*12/30=5*12=60 g
150 g flour for 12 cakes
x g flour for 30 cakes
x = (150 x 30) : 12 = 375 g of flour

another method:

150 flour for 12 cakes
??? for 30 cakes

30 : 12 = 2.5
150 x 2.5 = 375 g flour


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good job