Question

In a clasd of 60 students thr no. Of girls to the no. Of boys is ⅓ fing the no. Of girls and boys

Answer 1

Answer:

15 girl's and 45 boys

Step-by-step explanation:

let the no. of girls be x and boys be y

A.G.C

x+y = 60.........(1)

x/y=1/3

3x-y=0.............(2)

add eqn. (1) & (2) we get

x+y=60

3x-y=0

(+)______

4x=60

x=15

substitute x=15 in eqn. (1)

15+y=60

y=45

there are 15 girl's and 45 boys in the class

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