There are 487 girls and 434 boys in class 4 .who are more in number by how many class 4
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8th
Maths
Linear Equations in One Variable
Solving Linear Equations with Variable on Both Sides
The number of boys and girl...
MATHS
The number of boys and girls in a class are in ratio 7:5. The number of boys is 8 more than the number of girls. What is the total class strength?
October 15, 2019
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Priti Viju
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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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