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Question Stats:
85% (01:11) correct 14% (01:30) wrong based on 233 sessionsQuantity A 
Quantity B 
The number of units of the product that machine R, working alone at its constant rate, produces in 3 hours 
The number of units of the product that machine S, working alone at its constant rate, produces in 4 hours 
Explanation
Quantity A 
Quantity B 
The number of units of the product that machine R, working alone at its constant rate, produces in 3 hours 
The number of units of the product that machine S, working alone at its constant rate, produces in 4 hours 
Quantity A 
Quantity B 
The number of units of the product that machine R, working alone at its constant rate, produces in 3 hours 
The number of units of the product that machine S, working alone at its constant rate, produces in 4 hours 


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