The voters are in proportions, and the number of members that did not vote is 39
The given parameters are:
The number of members that vote is calculated using:
Vote = (1/6 + 2/5) * 90
Evaluate
Vote = 51
The number of members that did not vote is calculated using:
Not Vote = 90 - 51
Evaluate
Not Vote = 39
Hence, the number of members that did not vote is 39
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