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Running at their respective constant rates, machine X takes [#permalink]
05 Nov 2004, 23:42
100% (04:06) correct
0% (00:00) wrong based on 3 sessions
Running at their respective constant rates, machine X takes 2 days longer to produce w widgets than machine Y. At these rates, if the two machines together produce 5/4 w widgets in 3 days, how many days would it take machine X alone to produce 2w widgets?