the number of boys and girls In a class are in the ratio 5:4 if the number of boys is 9 more than the girls then number of boys are?
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Answer:
54
Step-by-step explanation:
Let the ratios be 5x, 4x
Therefore, 5x - 4x = 9
=> x = 9
The number of boys is 5x
Thus, the number of boys are 5 × 9 = 54
In addition , the number of girls are 4× 9 = 45
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