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Question Stats:
83% (00:28) correct 16% (00:41) wrong based on 62 sessionsQuantity A 
Quantity B 
The cost of x pounds of meat at y dollars per pound 
The cost of y yards of material at x dollars per yard 
Quantity A 
Quantity B 
The cost of x pounds of meat at y dollars per pound 
The cost of y yards of material at x dollars per yard 

