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?

one half
three halvess
two thirds
four thirds

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?

 one half
 three halvess
 two thirds
 four thirds

gabylovesyou · Answer

two thirds right ? @welshfella @KendrickLamar2014

ryuga · Answer

three halves

mathmale · Answer

This would mean so much more if you'd please show your work.  I'd like to give you meaningful feedback on what you've already done.

gabylovesyou · Answer

1/2 + 1/1 = 1/h and i solved for h

mathmale · Answer

Is "3/2" a reasonable answer, given that one beautician can do the whole job in 1 hour and the other in 2 hours?

gabylovesyou · Answer

no cx

mathmale · Answer

cx = ?

gabylovesyou · Answer

all my questions have that same format so i did it like that even though i would thnk 1/2 ;p

mathmale · Answer

Why would you "think 1/2"?  I'm not trying to be funny or mean, but rather need to understand your thinking.

gabylovesyou · Answer

now im confused.. the answer is not 2/3 ??