Respuesta :

Answer:

maya = y

sister = y+ 4

sum of the sisters ages= 2y+4

We are given

Mala is y years old

So, Mala =y

her sister is 4 years older than Mala

So, Sister =y+4

now, we can find sum

Sum = Mala +Sister

Sum = y +y+4

Sum = 2y+4...............Answer