2 of 20 pesewas, 1 of 10 pesewas and 1 of 50 pesewas = _ pesewas coin

82 pesewas coin.

(2 x 20 pesewas) + (1 x 10 pesewas) + (1 x 50 pesewas) = 40 pesewas + 10 pesewas + 50 pesewas = 100 pesewas = 1 cedi and 82 pesewas.