Question

Q5: In a class, there are 45 students. If 3/ 5 of the students are boys, find the number of boys and girls in the class.​

Answer 1

Answer :-

Number of boys

$\sf\leadsto\dfrac{3}{5}\times 45$

$\sf\leadsto \dfrac{3}{\cancel{5}}\times \cancel{45}$

$\sf\leadsto 3\times 9$

$\leadsto {\boxed {\red {\bf 27\:boys}}}$

Number of girls

$\sf\leadsto 45-27$

$\leadsto {\boxed {\red {\bf 18\:girls}}}$

Answer 2

Answer:

Step-by-step explanation:

Here, we have given that total number of students in the class is 45.

And the part of boys in strength of class is \sf\frac{3}{5}

5

3

So, it's pretty simple to solve -

We will first find the number of boys:

\sf\frac{3}{5}\times45

5

3

×45

\sf=27\:boys=27boys

So, the number of girls in the class will be:

●Total number of students - Boys

\sf45-27=1845−27=18

So, total number of girls is 18 in school.

Step-by-step explanation:

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