SOLUTION: jean is 1/3rd her brother's age plus 4 how old is jean's brother if jean is 12?

Question 474500: jean is 1/3rd her brother's age plus 4 how old is jean's brother if jean is 12?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
jean is 1/3rd her brother's age plus 4 how old is jean's brother if jean is 12?
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Equations:
J = (1/3)B + 4
J = 12
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Substitute and solve for "B":
12 = (1/3)B + 4
(1/3)B = 8
B = 24 yrs (Brother's age now)
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Cheers,
Stan H.
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