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

Problem Num : 1 Type: Section:Equation  Theme:None Adjustment# : Difficulty: 1
Category	System of Equations
Analysis
Solution/Answer	Answer: d

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Problem Num : 2 Type: Section:Equation  Theme:None Adjustment# : Difficulty: 1
Category	System of Equations
Analysis
Solution/Answer	Answer: b

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Problem Num : 3 Type: Section:Equation  Theme:None Adjustment# : Difficulty: 1
Category	System of Equations
Analysis
Solution/Answer	Answer: c

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Problem Num : 4 Type: None Section:Equation  Theme:None Adjustment# : Difficulty: 1
Category	System of Equations
Analysis
Solution/Answer	Answer: c

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Problem Num : 5 Type: Section:Equation  Theme:None Adjustment# : Difficulty: 1
Category	System of Equations
Analysis	28+21+12
Solution/Answer	Answer: D

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Problem Num : 6 Type: Section:Equation  Theme:None Adjustment# : Difficulty: 1
Category	System of Equations
Analysis
Solution/Answer	Answer: D

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Problem Num : 7 Type: None Section:Equation  Theme:None Adjustment# : Difficulty: 1
Category	System of Equations
Analysis
Solution/Answer	Answer: E

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Problem Num : 8 Type: Section:Equation  Theme:None Adjustment# : Difficulty: 1
Category	System of Equations
Analysis	x/ 3*15 + y/2*18 = 0.22 x+y= 9
Solution/Answer	Answer: b

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Problem Num : 9 Type: None Section:Equation  Theme:None Adjustment# : Difficulty: 1
Category	System of Equations
Analysis
Solution/Answer	Answer: b

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Problem Num : 10 Type: None Section:Equation  Theme:None Adjustment# : 0 Difficulty: 1
Category	System of Equations
Analysis
Solution/Answer	Answer:

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Array ( [0] => 6144 [1] => 6160 [2] => 6192 [3] => 6200 [4] => 6069 [5] => 6106 [6] => 6111 [7] => 6134 [8] => 6137 [9] => 6203 ) 361  2  3  4