Question
The ratio of males and females in a zoo is 3:5
respectively and the percentage of children among males and the percentage of children among females are 15% and 20% respectively. If the number of adult females in the zoo is 5796 then what will be the total population in a zoo?Solution
Let the number of males and females be 3x and 5x respectively. Percentage of children among females = 20% So, 80% of females are adults, 80/100 5x = 5796 5x = 7245 x = 1449 Total population = 3x + 5x = 8x = 8 × 1449 = 11592
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