Question

In a class, Number of girls are $\frac{7}{3}$ of number of boys in class. evaluate the equation.

• A. $3y=7x$ where number of girls is $y$ and number of boys is $x$
• B. $x=\frac{7}{3}y$ where number of girls is $y$ and number of boys is $x$
• C. $x+y=\frac{7}{3}$ where number of girls is $y$ and number of boys is $x$
• D. $3x-7y=0$ where number of girls is $y$ and number of boys is $x$

Answer 1

The correct option is A $3y=7x$ where number of girls is $y$ and number of boys is $x$

Let number of boys be $x$.
And, number of girls be $y$.
according to question
$\Rightarrow y=\frac{7}{3}x$