KathyRayG7456
13.07.2019 •
Mathematics
Dan can tile a floor in 3 hours. his assistant could tile the same floor in 8 hours. if they work together, how long will it take to tile the floor?
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Ответ:
There is a formula for this:
Total Time = (worker1 * worker2) / (worker1 + worker2)
(3 * 8) / (3 + 8)
24 / 11 =
2.1818181818 hours
Ответ:
Step-by-step explanation: God Ω of war