Question 455121: John's brothers age is ten years less than twice john's age. if john is 25 then how old is his brother? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! John's brothers age is ten years less than twice john's age.
If john is 25 then how old is his brother?
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Equation:
b = 2j - 10
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j = 25
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Substitute and solve for "b":
b = 2*25-10
b = 50-10
Brother's age = 40 yrs
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Cheers,
Stan H.
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