Answer:

let age of junior friend is x years

then age of 2nd friend (x+4)years

age of 3rd friend is (x+4+4)years=(x+8)years

according to question ,

x+(x+4)+(x+8)=48

=> x+x+4+x+8=48

=> 3x+12=48

=> 3x=48-12

=> 3x=36

=> x=36/3=12

their ages are 12 years,(12+4)years=16 years and (16+4) years=20 years

Verified answer

Answer:

16 and 20 years

Step-by-step explanation:

hope it helps