The numbers of boys and girls in a class are in the ratio 5:4. If the number of boys is 7 more than the number of girls, then find total number of students in that class.
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Let the common ratio between number of boys and girls be x
Number of boys =7x
Number of girls =5x
As per the question,
Number of boys = Number of girls +8
7x=5x+8
Transpose 5x to LHS, we will get
7x−5x=8
2x=8
Divide both sides by 2
x=4
No. of boys =7x=7×4=28
No. of girls =5x=5×4=20
Total class students 28+20=48
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Answer:
It's right mate which is written above
....xd...
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