Question 677272
B=3K
B+K=46 REPLACE B BY 3K & SOLVE FOR K.
(3K)+K=46
4K=46
K=46/4
K=11.5 AGE OF KELLY.
B=3*11.5
B=34.5 AGE OF BOBBY.
PROOF:
11.5+34.5=46
46=46