Math Problem Statement
the quarters, nickles, and dimes totaled 20, and their value was $2. 05 How many of each kind were there if there were 3 times as many dimes as quarters?
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Systems of Equations
Formulas
Total number of coins: q + n + d = 20
Total value of coins: 25q + 5n + 10d = 205
Relationship between dimes and quarters: d = 3q
Theorems
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Suitable Grade Level
Grades 6-8
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