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subhasis8877
- Senior | Next Rank: 100 Posts
- Posts: 77
- Joined: Tue Mar 10, 2009 3:10 am
When working with machine B, the maximum amount of pencils that machine A can produce is 9000*8=72,000 pencils. It's all up to machine B to produce the rest of the pencils.
Rest of the pencils= 100,000-72,000=28,000.
Amount of time it'll take machine B to produce 28,000 pencils= 28,000/7,000= 4 hours.
