SOLUTION: Robin has a collection of nickels, dimes, and quarters worth $25.50. She has 10 more dimes than nickels and twice as many quarters as dimes. How many coins of each kind does she ha

Question 1045964: Robin has a collection of nickels, dimes, and quarters worth $25.50. She has 10 more dimes than nickels and twice as many quarters as dimes. How many coins of each kind does she have?
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
Account for how many coins.
Account for the money.
Transcribe the other described statements.
Solve the system of equations --- you need only three equations for the three unknown n, d, q. Be sure the information all matches.

A coin count is not given; most coin combination problems do give a coin count.

The system is equivalent to this one:

You know what to do now; right?
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