SOLUTION: Larry is R years old. His younger brother is 1/2 his age. If the sum of their ages is 36, how old is Larry?

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Question 1160151: Larry is R years old. His younger brother is 1/2 his age. If the sum of their ages is 36, how old is Larry?
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.

ANSWER.   Larry is  24  years old. 


Actually, this problem is to be solved mentally.


But if you want to solve it formally, you may write this equation


    R + %281%2F2%29%2AR = 36,


then simplify and solve it.

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Happy learning (!)

If you have difficulties solving this equation, let me know (!)