![subject](/tpl/images/cats/mat.png)
Mathematics, 23.10.2021 01:10 swaggernas
20. Reggie can paint a house in 5 hours. Fernando can paint the same house in 6 hours while Mark can
do the same job in 3 hours. First, Reggie and Fernando start working together for 2 hours. Then Mark
finished the job alone. How long did it take mark to finish?
rate
time
Total work done
Reggie
Fernando
Mark
24. In a river that flows at 4km/h, a boat takes twice as long to travel 40km upstream as it does to travel
32km downstream At what rate does the boat travel in still water?
Rate
Distance
Time
upstream
downstream
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Answers: 2
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