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Area a peperoni gialli $A= 80×\dfrac{2}{2+3} = \cancel{80}^{16}×\dfrac{2}{\cancel5_1} = 16×2 = 32\%;$
area a peperoni rossi $A= 80×\dfrac{3}{2+3} = \cancel{80}^{16}×\dfrac{3}{\cancel5_1} = 16×3 = 48\%.$