Question 143232
3J=8B
J-B=15
J=15+B
3(15+B)=8B
45+3B=8B
8B-3B=45
5B=45
B=9 AGE OF BETH.
3J=8*9
3J=72
J=72/3
J=24 AGE OF JANE.
PROOF:
24-9=15
3*24=8*9
72=72