the number of boys and girls in a class are in ratio of 7:5. the number of boys is 8 more than girls what is the total strength of the class?
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The total strength is 7 girls and 13 boys
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Answer:
48
Step-by-step explanation:
Let the number of boys be 7x and girls be 5x.
According to the question,
7x = 5x + 8
⇒ 7x – 5x = 8
⇒ 2x = 8
⇒ x = 8/2
⇒ x = 4
Therefore, Number of boys = 7×4 = 28
And, Number of girls = 5×4 = 20
Total number of students = 20+28 = 48
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