SOLUTION: Bobby is three times as old as Kelly. The sum of their ages is 46. How old is Bobby?

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Question 677272:




Bobby is three times as old as Kelly. The sum of their ages is 46. How old is Bobby?
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
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