A. 1/2
B. 2
C. 3
D. 5
E. 6
E
GRE, GMAT Work Problem with Remainders
Machine A and Machine B can produce 1 widget in 3 hours working together at their respective constant rates. If Machine A's speed were doubled, the two machines could produce 1 widget in 2 hours working together at their respective rates. How many hours does it currently take Machine A to produce 1 widget on its own?
A. 1/2
B. 2
C. 3
D. 5
E. 6
A. 1/2
B. 2
C. 3
D. 5
E. 6
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