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?

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asked Sep 19, 2022 76.4k views

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?

Mathematics
high-school

Todd Lyons asked

by Todd Lyons

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4 votes

It’s definitely less than 8 because when two people work together it takes less time

Chris Conway answered Sep 23, 2022

by Chris Conway

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