SOLUTION: At a tennis match 30% are women 10% are girls and 20% are boys. There are 3,600 men. How many people are there?

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Question 1005034: At a tennis match 30% are women 10% are girls and 20% are boys. There are 3,600 men. How many people are there?
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Since 30%+10%+20% = 60% of the people are non-men, 40% must be men.
If we call the total number of people x, then
40% of x = 3600 or
.4x = 3600
Divide both sides by .4 and get
x = 9000 people