Answer:

Step-by-step explanation:

Combine 

Combine the bottom, too.

Apply the fraction rule

Cancel

Therefore, 
Answer:
A
Step-by-step explanation:

is


, multiple by the reciprocal of the second fraction to get the answer.
Answer:
<h3><u>Required Answer</u><u>:</u><u>-</u></h3>
The ratio of boys and girls =3:5
Let
Number of boys=3x
Number of girls =5x
- According to the question Numbers of girls=130


- Now interchange both sides and get x




<h3>Now </h3>
The number of boys=3x
=3×26=78
Number of boys is 78.