Answer:
Cassidy is 24 years old.
Step-by-step explanation:
Cassidy's current age : c=3d
Cassidy's age in 8 years : c+8
Drew's age : d
Drew's age in 8 years : d+8
c+8=2(d+8) and since c=3d then
3d+8=2(d+8)
3d+8=2d+16
d=8
so cassidy's age right now would be 3x8=24.