Question
In a town, the ratio of males to females is 5:4. Among
the males, 20% are children, and the rest are adults. If the adult male population is 4,500, what is the total population of the town?Solution
Let the number of males and females are 5x and 4x. Adult males = 80% of 5x = 4x 4x = 4500 x = 1125 total population of the town = 9x = 10,125
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