maths
posted by amit narang .
3/5 of the students are girl and number of boys are 200 in a class. Find the number of students?

3/5 S+200=S

bh

3/5 students are girls, so 2/5 students are boys.
200 = 2/5 boys therefore 1/5 = 100.
Thus 3/5 girls = 300
Total: 500 students
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