Question

The ratio of boys to girls in a class is 5 : 2 If the total number of students is 35. then number of boys is
(A) 7
(B) 10
(C) 25
(D) 20​

Answer 1

Answer:

c ) 25 is your answer hope it helps.....

Step-by-step explanation:

let, the number of boys = 5x

the number of girls= 2x

=> 5x+2x=35

=>7x = 35

=>x= 5

therefore,

Number of boys= 5x= 5×5 = 25

Answer 2

$\huge{\underline{\underline{\bf{\bold{\red{Question:}}}}}}$

The ratio of boys to girls in a class is 5 : 2 If the total number of students is 35. then number of boys is :

(A) 7

(B) 10

(C) 25

(D) 20

$\huge{\underline{\underline{\bf{\bold{\blue{Answer:}}}}}}$

The ratio of boys to girls in the class = 5:2

Total number of students in the class = 35

==> Let the constant be x.

$5x + 2x = 35 \\ 7x \: = 35 \\ x = \frac{35}{7} \\ x = 5$

==> Number of boys in the class = 5x = 5(5) = 25

==> Number of girls in the class = 2x = 2(5) = 10

$\Large{\green{\boxed{\pink{\rm{(C)\:25}}}}}$

Heya....My answer helps you for sure !

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