55% of the students in a school are girls. find the total number of students in the school if the number of boys is 180
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let x be the total number of students
if 55% are girls, then (100-55=45) 45% are boys.
45x/100=180
45x=18000
x=18000/45=400
therefore total number of students is 400
if 55% are girls, then (100-55=45) 45% are boys.
45x/100=180
45x=18000
x=18000/45=400
therefore total number of students is 400
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