Math Problem Statement
The empty weight of a jar is 20% of its weight when it is completely filled with water. If some water is taken out of jar such that the current weight of the jar is 40% of its weight when it is completely filled with water. What percentage of water is taken out of jar.
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70%
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60%
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85%
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50%
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None of these
Solution
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Math Problem Analysis
Mathematical Concepts
Percentage
Weight calculation
Algebra
Formulas
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Theorems
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Suitable Grade Level
High School
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