Imagination is more important than knowledge... Albert Einstein

                                                                                   Guess is more important than calculation --- Knowhowacademy.com

Problem Num : 11 Type: Understanding Topic:Inequality  Adjustment# : 0 Difficulty: 1
Category	Comparison
Analysis	express the situation mathematically.
Solution/Hint

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Problem Num : 12 Type: Modification Topic:Inequality  Theme:None Adjustment# : 0 Difficulty: 800 level
Category	Comparison
Analysis
Solution/Hint

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Problem Num : 13 Type: Topic:Inequality  Theme:None Adjustment# : 0 Difficulty: 1
Category	Comparison
Analysis	s: (x+2y)+(x+4y)=2x+6y c: (x+7y) s-c=x-y>0
Solution/Hint

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Problem Num : 14 Type: Topic:Inequality  Theme:None Adjustment# : 0 Difficulty: 2
Category	Comparison
Analysis
Solution/Hint

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Problem Num : 15 Type: Topic:Inequality  Theme:None Adjustment# : 20 Difficulty: 3
Category	Comparison
Analysis	could be!!.. use 0 10y/(y+y)<10y/(x+y)<10y/(0+y ) Good luck~
Solution/Hint

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