The population of a city is 12000. The ratio of male : feamale is 5:7 . Draw a graph on it and write the solution of this graph. From this graph find the number of females in the city.
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The population of a city is 12000. The ratio of male : feamale is 5:7 . Draw a graph on it and write the solution of this graph. From this graph find the number of females in the city.
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Answer:
let no.of male =5x
no.of female=7x
so
5x+7x=12000
12x=12000
x=12000/12
x=1000
no.of male=1000×5=5000
no.of female=1000×7=7000
Answer:
The population of a town is 12000, if the number of males be increased by 6% and that of females by 8%, the population would be increased to 12800. Find the strength of females in the town.