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Out of the 8 sections, 5 are consonants (B, C, D, F, G).
Therefore, the probability of spinning on a consonant in one spin is 5/8.
Expected number of spins on a consonant = Probability of spinning on a consonant x Total number of spins
Expected number of spins on a consonant = (5/8) x 160 = 100
Therefore, in 160 spins, you can expect to spin on a consonant 100 times.