Question

pls give correct answer please​
Atleast answer one question
make you as brainlist plz
only correct answer

Answer 1

Answer:

[7] Rehaji's age- 21

Rehaji's sisters age is -15

Explanation:

Rehaji's age:x

Rehaji's sister age- x-6

After 12 years

x+12+x-6+6=54

2x+12=54

2x=54-12

2x=42

x=42/2

x=21

Preasant age

Rehaji's age- 21

Rehaji's sisters age is -15

Answer 2

Answer:

let her sister age is x

then, Reji's age =x+6

after 12 years sum of their age =54 yrs

x+(x+6)+12=54 yrs

2x+18=54 yrs

2x=36

x=18

x+6=24 yrs

hence,Reji's age =24 yrs

& her younger sister's age =18 yrs