Math Problem Statement
Solve all of the equations
Solution
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Math Problem Analysis
Mathematical Concepts
Proportions
Cross-Multiplication
Algebra
Formulas
Cross-multiplication: a/b = c/d implies ad = bc
Theorems
Properties of Proportions
Multiplication Property of Equality
Suitable Grade Level
Grades 7-9
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Solving Proportions: x/3 = 1.5/7 and x/5 = 16/20