28% members of a certain group are married: What is the respective ratio between the number of married members to the number of unmarried members?
Let the total members in the group = $$100x$$
Married members = $$\frac{28}{100} \times 100x = 28x$$
Unmarried members = $$100x - 28x = 72x$$
=> Required ratio = $$28x : 72x$$
= $$7 : 18$$
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