jessica can paint a room in 14 hours. lily could paint the same room in 10 hours. if they work together, howlong would it take them to complete the job?

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To answer this, you should find out how much "room" (i.e., what fraction of the room) Jessica / Lily can paint in 1 hour. In one hour, Jessica will be able to paint 1/14 of the room; Lily should be able to paint 1/10 of the room. So your final equation should look something like this: 1/14x +1/10x=1The above equation basically states that Jessica's work times a set number of hours (to be found) and Lily's work times a set number of hours will eventually equal one room's worth of work.Good luck!