The officeJet printer can copy Sue’s dissertation in 12 min. The LaserJet printer...
...can copy the same documen? The officeJet printer can copy Sue’s dissertation in 12 min. The LaserJet printer can copy the same document in 8 min. If the two machines work together, how long would they take to copy the dissertation?
...can copy the same documen? The officeJet printer can copy Sue’s dissertation in 12 min. The LaserJet printer can copy the same document in 8 min. If the two machines work together, how long would they take to copy the dissertation?