The sun of the ages of Gabriel and Morgan is 72 years. 12 years ago, Gabriel age was 2 times Morgan's age. How old is Gabriel now?

Answer 1

G + M = 72

M = 72 - G

G -12 = 2 * (M - 12)

G - 12 = 2 * [(72 - G) - 12]

G - 12 = 144 - 2G - 24

3G = 132

G = 44