Question
In a zoo, 40% of the people are males. 50% of the
remaining are females and the remaining 570 are children’s. Find the total number of people in a zoo.Solution
Let the total number of people be 100x. Male = (40/100) × 100x = 40x Remaining people = 100x - 40x = 60x Number of females = 60x × 50/100 = 30x Number of children = 100x - (40x + 30x) = 30x 30x = 570 x = 19 Total number of people in a zoo is 1900.
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