SOLUTION: 4.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 proport

Question 442188: 4.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.
A. 1 hour
B. 3 hours
C. 1.5 hours
D. 2 hours

Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
If 3 workers can paint a room in 2 hours, then one worker can paint 1/3/2 or 1/6 of a room per hour. 1/(4/6)=6/4 hours for 4 people to paint a room= 1-1/2 hours..
RELATED QUESTIONS
If 4 workers can paint a room in 3 hours, then approximately how long does it take 6... (answered by josgarithmetic,Edwin McCravy,greenestamps)

Nana can paint a room in 6 hours,Harith can do the job in 4 hours,but Angela need 2 hours (answered by greenestamps)

If Norm and cliff together can paint a room in 4 hours, and Norm can paint the same room... (answered by edjones)

Joe can paint a room in 3 hours, fred can paint a room in 4 hours and Bill can paint a... (answered by josmiceli)

Sally can paint a room in 3 hours while it takes Steve 4 hours to paint the same room.... (answered by Edwin McCravy)

Sally can paint a room in 3 hours while it takes Steve 4 hours to paint the same room.... (answered by richwmiller)

sally can paint a room in 3 hours white it takes steve 4 hours to paint the same room.... (answered by richwmiller)

Sally can paint a room in 4 hours while it takes Steve 3 hours to paint the same room.... (answered by josgarithmetic)

Nicole can paint a room in six hours, Alexandra can paint a room in 5 hours, and Liana... (answered by josmiceli)