Question

HELPPPPP PLEASEEEEE

Answer 1

G = age of George

S = age of sister

G = S + 6, i.e. G - S = 6

G + S = 68

Solve the system of equations:

G - S = 6

G + S = 68

Add the two equations and get

2G = 74

G = 37

Then S = G - 6 = 37 - 6 = 31