SOLUTION: Sally has 3 more nickels than quarters. The total value of these coins is $2.85. How many of each coin does sally have?

Question 1050150: Sally has 3 more nickels than quarters. The total value of these coins is $2.85. How many of each coin does sally have?
Answer by advanced_Learner(501) (Show Source): You can put this solution on YOUR website!
N

N=Q+3
5N+25Q=285

N-Q=3

Solved by pluggable solver: SOLVE linear system by SUBSTITUTION

Solve:
We'll use substitution. After moving 25*Q to the right, we get:
, or . Substitute that
into another equation:
and simplify: So, we know that Q=9. Since , N=12.

Answer: .

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