Three years ago, the age of a person was six times the age of his younger brother. Eight years later, the age of the person will be three years less than twice the age of his younger brother. Find the present ages of the person and his younger brother.
15 years and 5 years
Step 1 – Variables (taking the marked-answer pair person=15, brother=5): Three years ago person=12, brother=2; person was 6× brother. ✓
Step 2 – Verify second condition: Eight years later person=23, brother=13; twice brother − 3 = 23. ✓
Hence person=15 yrs, brother=5 yrs, option 4.
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