35% of the population of a town are men and 40% a woman if number of children are 40000 then find the number of men and women ??
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36
Answer:
Use this simple interest calculator to find A, the Final Investment Value, using the simple interest formula: A = P(1 + rt) where P is the Principal amount of money to be invested at an Interest Rate R% per period for t Number of Time Periods. Where r is in decimal form; r=R/100; r and t are in the same units of time
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Let say the total population of town is x.
No. of male = 35% of x = 35x/100 = 7x/20
No. of female = 40% of x = 40x/100 = 2x/5
No. of children = 40000
Total population = Female + Male + Children
x = 7x/20 + 2x/5 + 40000
x = 7x + 8x + 800000)/20
20x = 15x + 800000
5x = 800000
x = 160000
No. of male = 7x/20 = 56000
No. of female = 2x/5 = 64000
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