, 12.11.2019 08:31, kat9323

# If 3 workers can paint a room in 2 hours, then approximately how long does it take 4 workers to paint the same room? assume the time needed to paint the room is inversely proportional to the number of workers.

### Other questions on the subject: Mathematics

Mathematics, 21.06.2019 13:30, sarath30
Which of the fallowing best completes the sequence 5,10,15, a) 30 b) 22 c)25 d)35
Mathematics, 21.06.2019 16:30, leenzazou98241
The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year. how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.