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Murrr4er [49]
3 years ago
6

There are 400 students in a school. Fifty five percent are girls. How many boys are there?

Mathematics
1 answer:
ki77a [65]3 years ago
5 0
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.
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