SOLUTION: In fifteen years, Nelson will be 6/7 as old as his cousin will be. Today, Nelson is 3/4 as old as his cousin. How old is Nelson now?
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Question 1169078: In fifteen years, Nelson will be 6/7 as old as his cousin will be. Today, Nelson is 3/4 as old as his cousin. How old is Nelson now?
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
If using n for Nelson and c for his Cousin, then following the description literally will give you . Solve the system.
Method to try: Substitute for n in the first equation. Multiply both sides by the lowest common denominator of , and simplify. Solve for d, fist and use it to evaluate n.
A few steps of algebra will show you and .
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