Question

Two beauticians, Lydia and Jackie, are working on your hair. Lydia can complete the work in 2 hours, while Jackie can complete the work in 1 hour. How many hours do the beauticians take if they work together?
\[\frac{ 1 }{ 2 }\]\[\frac{ 3 }{ 2 }\]\[\frac{ 2 }{ 3 }\]\[\frac{ 4 }{ 3 }\]

Answer 1

@undeadknight26

Answer 2

Its umm...C i think...
http://openstudy.com/study#/updates/52d97442e4b05ee05437f310

Answer 3

Thank you. ^-^

Answer 4

dot.