Question

in class 9A number of boys is 5more than number of girls and 3times of number of girls is 12 more than double of the number of boys. find the number of boys and girls. ​

Answer 1

Answer:

x = 22

Step-by-step explanation:

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Answer 2

Answer:

so let the number of girls be x

now no. of boys will be = x +5

now 3 times no. of girls = 3x

and it is equal to = 12 + 2 ( x+5)

so we can say that

3x = 12 + 2 ( x+5)

3x = 12 + 2x + 10

3x-2x = 22

x = 22 will be no of girls in class

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