Question

The ratio of the number of boys to that of girl in a birthday party is 5 : 8.if the number of boys is 18 ,find number of girl in the party.

Answer 1

Number of girl in the party is 24

Step-by-step explanation:

Please correct question

The ratio of the number of boys to that of girl in a birthday party is 5 : 8.if the number of boys is 15 ,find number of girl in the party?

• Given data

        Number of boys in party (B) = 15

        Number of girls in party (G) = unknown

• Ratio of the number of boys to that of girl in a birthday party is 5 : 8. It means

        Number of girls in party (G) = 8 k

        and

        Number of boys in party (B) = 5 k

• But is given that number of boys in party (B) is 15

        Number of boys in party (B) = 15

        5 k = 15

• On solving, we will value of k

        k = 3

• Number of girls in party (G) = 8 k = 8× 3 = 24

Answer 2

Answer:

Let the boy are 8x and Girls are 5x

=> 5x = 200

=> x = 40

Total students = 8x+5x = 13x = 13(40) = 520

Step-by-step explanation:

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