Setting up a system of equations is usually effective when solving money word problems and word problems involving coins. A knowledge of how to solve systems of equations is necessary to solve these types of equations. Other types of word problems using systems of equations include mixture problems, rate word problems, work word problems and age word problems.
Sample Problems (2)
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Carl has 28 coins on his desk that are all dimes and quarters. All together, the coins are worth $5.65.
A jar contains quarters and nickels. There are 15 more nickels than quarters. The total value is $2.55.