Question

solve this problem
question no 20 plz

Answer 1

the sum of age of savita and salma is 30.

let present age of savita is x.and present age of salma is y.

so x+y=30....(1)

4year ago, the age of savita is 10.

so we can write that x-4=10

so x=14

put this value in (1),

we get y=30-14

y=16

so present age of salma is 16 years..


hope it's helpful to you.......