Math Problem Statement
x/3= 1.5/7 b. x/5= 16/20
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Proportions
Cross-Multiplication
Formulas
Cross-multiplication: a/b = c/d implies ad = bc
Solving linear equations: ax = b implies x = b/a
Theorems
Proportion theorem
Suitable Grade Level
Grades 6-8