70% of the students in a school are boys and the number of girls is 504 find the number of boys in the school
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Let the total number of students be a
Percentage of boys = 70
Percentage of girls = 100 - 70 = 30
According to question
30 % of a = 504
=> 30a/ 100 = 504
=> 3a = 5040
=> a = 1680
No. Of boys = 70 * 1680 / 100
= 7 * 168
= 1176
Percentage of boys = 70
Percentage of girls = 100 - 70 = 30
According to question
30 % of a = 504
=> 30a/ 100 = 504
=> 3a = 5040
=> a = 1680
No. Of boys = 70 * 1680 / 100
= 7 * 168
= 1176
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