the ratio between male and females of a city is 1000 : 987 . if the total population of the city is 2000000, what is the number of females in the city
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Answer:Let no of males and females be x and y
The ratio of male to female is 1000:987
x/y = 1000/987
∴ x = 1000y/987 ----- 1
Total population of the city is 2000000
then x + y = 2000000
replacing x from 1
1000y/987 + y = 2000000
y(1000/987 + 1) = 2000000
y((1000 + 987)/987) = 2000000
y(1987/987) = 2000000
y = 2000000 * 987 / 1987
y = 993457
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