Answer:
Pamela is currently 8 years old
Explanation:
P - 7 = D
P + 6 = 2D
So if P is 7 now, then in 6 years she will be 13. D would be 0 and then 6. 13 is not double 6
So if P is 8 now, in 6 years she will be 14. D would be 1 and then 7. 14 is double 7