Math Problem Statement
搬运一个仓库的货物,甲需要8小时,乙需要10小时,丙需要15小时,有同样的仓库A和B,甲在A仓库、乙在B仓库同时开始搬运货物,丙起先帮助甲搬运,中途又转去帮助乙搬运,最后两个仓库的货物同时搬完.问:丙帮助甲、乙各多少小时?
Solution
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Math Problem Analysis
Mathematical Concepts
Rates and Work
Simultaneous Equations
Fractional Equations
Formulas
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Theorems
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Suitable Grade Level
Grades 10-12