Percentages on population

Question

The population of london is 12,60000. Of this 2/3rd are men and they are to marry women of London only. If 40% of men were married, find the % of unmarried women?

Answer 1

2/3 of 12,600,000 is the same as 2/3 * 12,600,000 = 8,400,000 men. Based on your last question, I think you can figure out the rest!

Answer 2

2/3 men of $1260000$ is $2/3*1260000=840000$

1/3 women of $1260000$ is $1/3*1260000=420000$

$420000\cdot40/840000= 0.2$ or $20\%$