Answer:
No of boys in class = 20 boys
Step-by-step explanation:
Given Data:
Total number of girls in class = 30
Ratio of girls to boys in class is 3 : 2
To Find:
Number of boys in the class= x= ?
Solution:
Now using the formula of proportion
Girls : : Boys
30 : 3 : : x : 2----------- (1)
the above equation can be written as
[tex]\frac{30}{3}[/tex] = [tex]\frac{x}{2}[/tex]
calculation leads the equation to
10 × 2 = x
Answer:
Hence number of boys in the class is 20
