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
Answers: 2
Mathematics, 21.06.2019 13:30
In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w
Answers: 1
Mathematics, 21.06.2019 14:00
At the many chips cookie company they are serious about the number of chocolate chips in their cookies they claim that each cookie hasn't c chips. if their claim is true there will be 200 chips in 10 cookies
Answers: 2
Mathematics, 21.06.2019 21:30
In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.
Answers: 2
Mathematics, 21.06.2019 22:00
If rs 900 amounts to rs 1044 in 4 years, what sum will amount to 1368 in 3 1/2 years at the same rate
Answers: 3
20. Reggie can paint a house in 5 hours. Fernando can paint the same house in 6 hours while Mark can...
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