1) 55% is girls, then
100-55=45% is boys.
2) 45%=0.45 or 2) 400 ----100%
3)400*0.45= 180 boys x -----45% x=400*45/100=180 boys
Answer is 180 boys.
Answer:
Raymond's mistake was on the last step, since he didn't square root both sides
The correct answer should be

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Good luck!
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Sidney Crosby, Pittsburgh Penguins
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is their any way I can get some more info on this problem
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