Question

35% of students in the school are boys and
others are girls form
an equation and draw
graph for this.
i ) Find the no. of girls, if the no. of boys is 35.
ii) find the no. of boys, if the no.of girls is 45.
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Answer 1

Answer:

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Step-by-step explanation:

Let the number of girls be 'x' and number of boys be 'y', then

Total number of students = x + y

According to the given information

Number of girls = 25% of the students.

x = 25% of (x + y)

=

100

25

of (x+y)=

4

1

(x+y)

x=

4

1

(x+y)

4x=x+y

3x=y

The required equation is 3x = y or 3x - y = 0