The topics in this unit focus on understanding the basic concepts behind algebra. Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.
Some coins have a total value of $0.72 There are the same number of Pennies, Dimes, and Quarters, and only those coins. What equations would help us solve?
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