Question
At a lunch function, every member brought 1 or 3 guests. If the ratio of the number of members to the number of guests was 5 : 9, what fraction of the members who brought 1 guest?
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At a lunch function, every member brought 1 or 3 guests. If the ratio of the number of members to the number of guests was 5 : 9, what fraction of the members who brought 1 guest?