Question

The number of girls in a mixed school is 420. If the ratio of boys to girls in the school is 3:2, how many students are in the school? *

Answer 1

3+2=5 2x=120

Explanation:

x=420/2=210 boy=3=630 no of students =5 5(210)=2050

Answer 2

`\huge{ \bf{ \underline{ \underline{ \pink{Solution:}}}}}`

Let,

• Number of boys be 3x
• Number of girls be 2x
• Then, Total number of students = 3x + 2x = 5x

It is given that,

➙ Number of girls = 420

Then,

➙ 2x = 420

➙ x = 420/2 = 210

No. of boys = 3x = 630

Then,

➙ Number of students = 5x

➙ Number of students = 5(210)

➙ Number of students = 1050

• ANSWER - 1050

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