SOLUTION: Please help, I can only get halfway through the equation. A piggy bank contains $5.45 in dimes and quarters. If the bank contains 29 coins, how many quarters are in the bank?

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Question 578829: Please help, I can only get halfway through the equation.
A piggy bank contains $5.45 in dimes and quarters. If the bank contains 29 coins, how many quarters are in the bank?
Answer by dfrazzetto(283)   (Show Source): You can put this solution on YOUR website!

d+q=29
.1d + .25q = 5.45
Solved by pluggable solver: Linear System solver (using determinant)
Solve:


Any system of equations:


has solution

or



(x=12, y=17}
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