Question

Need on number 3 plz

Answer 1

Answer:

Peyton: 6 years old

Matt: 24 years old

Justin: 9 years old

Step-by-step explanation:

P= Peyton   M= Matt   J= Justin

P=J-3

M=4P

J+P+M=39

4J-12=M  4J-12=39-J-P

5J-51=-P    P=J-3

5J-51=-J+3    J=9

P=9-3  P=6

M=4(6)  M=24