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3 votes
Ditch Digging Problem Doug Upp can dig a ditch in 3 hours. His

brother Phil could dig the same ditch in 5 hours. How long would it take to dig the ditch if both work together?

User Todd Lyons
by
5.9k points

1 Answer

4 votes
It’s definitely less than 8 because when two people work together it takes less time
User Chris Conway
by
6.4k points
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