Math Problem Statement
Evaluate the expression (−1/5 ÷ 2/3 − (−1/5)) ÷ 1/4.
Solution
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Math Problem Analysis
Mathematical Concepts
Fractions
Order of Operations
Division and Subtraction of Fractions
Formulas
Division of fractions: a/b ÷ c/d = (a/b) × (d/c)
Subtraction of fractions: a/b − c/d = (ad − bc)/(bd)
Theorems
Order of Operations (PEMDAS)
Suitable Grade Level
Grades 6-8