Step-by-step explanation:
Let x be sister
equation = (x + 2x) = 36
= x = 36/3
= x = 12
kim is 2 times his sisters age so his age is 12×2 = 24
Answer:
I think it's D, sorry if i'm wrong but let me know if I'm right!
Step-by-step explanation:
Answer:7
Step-by-step explanation:
Hope this helps