Question 1015388: Jhon is 6 years olden than his beother .he will be twice as old as his brother in 4 years.how old is jhon now? Found 2 solutions by macston, FrankM:Answer by macston(5194) (Show Source):
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B=brother's age; J=john's age=B+6
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J+4=2(B+4)
(B+6)+4=2(B+4)
B+10=2B+8
2=B
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Brother is 2 years old.
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J=B+6=2+6=8
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ANSWER: John is 8 years old.
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CHECK:
J+4=2(B+4)
8+4=2(2+4)
12=2(6)
12=12
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