Alan can type a research paper in 6 hours.
With Steve's help, the paper can be typed in
4 ho...
![subject](/tpl/images/cats/mat.png)
Mathematics, 22.04.2021 06:00 kelly3215
Alan can type a research paper in 6 hours.
With Steve's help, the paper can be typed in
4 hours. Find how long it takes Steve to type
the paper alone.
![ansver](/tpl/images/cats/User.png)
Answers: 1
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