One last question! The OfficeJet printer can copy Sue's dissertation in 22 min. The LaserJet printer can copy the same document in 14 min. If the two machines work together, how long would they take to copy the dissertation?

Question

One last question!  The OfficeJet printer can copy Sue's dissertation in 22 min.  The LaserJet printer can copy the same document in 14 min.  If the two machines work together, how long would they take to copy the dissertation?

anonymous · Answer

when I tried to work the problem, i got 8 5/9 as my answer, but it just doesn't seem right to me, so guess I am just trying to see if I am right in my answer.  Thanks!

anonymous · Answer

youre right!