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Mathematics 9 Online
OpenStudy (anonymous):

Ricardo Gutierrez has a box of coins that he uses when playing poker with friends. The box currently contains 46 coins, consisiting of pennies, dimes, and quarters. The number of pennies is equal to the number of dimes, and the total value is $5.26. How many of each denomination of coin does he have?

OpenStudy (mertsj):

p+d+q=46 p=d 1p+10d+25q=526

OpenStudy (mertsj):

3 equations, 3 variables. Solve the system.

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