SOLUTION: A pile of 34 coins is worth $5.10. There are two nickels and the remainder are quarters and dimes. How many quarters and dimes are there?

Question 1050202: A pile of 34 coins is worth $5.10. There are two nickels and the remainder are quarters and dimes. How many quarters and dimes are there?
Answer by advanced_Learner(501) (Show Source): You can put this solution on YOUR website!
q+d=32
10d+25q=510-10

Solved by pluggable solver: SOLVE linear system by SUBSTITUTION

Solve:
We'll use substitution. After moving 1*d to the right, we get:
, or . Substitute that
into another equation:
and simplify: So, we know that d=12. Since , q=20.

Answer: .

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