SOLUTION: Maria has $2.10 in nickels and dimes in her pocket. She has three times more dimes than nickels. Write a system of equations that could be used to solve this problem. Solve the

SOLUTION: Maria has $2.10 in nickels and dimes in her pocket. She has three times more dimes than nickels. Write a system of equations that could be used to solve this problem. Solve the

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Question 256446: Maria has $2.10 in nickels and dimes in her pocket. She has three times more dimes than nickels. Write a system of equations that could be used to solve this problem. Solve the system of equations to determine the number of each coin that Maria has.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
5n+10d=210
d=3n
substitute 3n for d
5n+10(3n)=210
35n=210
7n=42
n=6
d=18
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