boys and girls of a class are in the ratio 4 is to 7 15 more girls than boys find the total number of students
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Let total no. of boys be 4x
And total no. of girls be 7x
Now there 15 more girls than boys i.e. 4x+15=7x
Now, 7x-4x=15
3x=15
x=15÷3
x=5
Now, no. of boys=4x=4×5=20
And no. of girls =7x=7×5=35
Now total number of students=20+35=55
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And total no. of girls be 7x
Now there 15 more girls than boys i.e. 4x+15=7x
Now, 7x-4x=15
3x=15
x=15÷3
x=5
Now, no. of boys=4x=4×5=20
And no. of girls =7x=7×5=35
Now total number of students=20+35=55
PLZ MARK IT BRAINLIST
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Thanks a lot........
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