I guess it's 42
Hope it's helpful for you
B I’m not 100% sure but I think
Answer:
Karen is 71 years old
Step-by-step explanation:
Known
Karen=Jack +35
Frank=1/2 Jack
Jenifer=Frank+17
If Jenifer=35
35=Frank+17
18 = Frank
18=1/2 Jack
36= Jack
Karen= Jack+35=36+35=71
-6 you subtract and keep the sign of the greater number
