Asked by Julie

Dan and Dave can work together and paint a house in 4 days

Dan works twice as fast as Dave. How long to paint house alone

5 years ago

Answered by oobleck

If Dan takes x hours, then Dave takes 2x hours.
1/x + 1/(2x) = 1/4

5 years ago

Answered by Levi

It needs 2 answers

3 years ago

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