Consider the material structure tree for item A below. If 20 units of A are needed, how many units of D are needed?
A) 11
B) 30
C) 160
D) 60
E) 220

Name: Consider the material structure tree for item A below. If 20 units of A are needed, how many units of D are needed? A) 11 B) 30 C) 160 D) 60 E) 220
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Question

Consider the material structure tree for item A below. If 20 units of A are needed, how many units of D are needed? 
A) 11 
B) 30 
C) 160 
D) 60 
E) 220

Quizplus · Accepted Answer

The Answer of Consider the material structure tree for item A below. If 20 units of A are needed, how many units of D are needed? 
A) 11 
B) 30 
C) 160 
D) 60 
E) 220

Consider the Material Structure Tree for Item a Below