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charmaine
- Senior | Next Rank: 100 Posts
- Posts: 71
- Joined: Sun May 18, 2008 11:04 pm
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running at their respetive 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 widgets in 3 days. how many days wud it take machine x alone to produce 2w widgets?
answ. 12
i got 8 ..do not understand why it is 12
thanks
answ. 12
i got 8 ..do not understand why it is 12
thanks












