In a class the ratio of the number of boys and girls is9:5.Find the number of boys if the total number of students in the class is 42.
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9x+5x=42
14x=42
x=3
no of boys=9×3=27
14x=42
x=3
no of boys=9×3=27
av920410:
Prachi also find the no of girls
send me
What
the no of girls
Ok(15) girls
as x=3 so no. of girls =3×5=15
thanks
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Answered by
2
Answer:
Step-by-step explanation:
Let total number of boys is 9x
And total number of girls is 5x
According to the questions 9x + 5x =42
14x =42
x =42/14
X =3
So total number of boys = 9X= 9 x 3=27
Total number of girls =5X =5 x 3= 15
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