OpenStudy (anonymous):

Two car washers, Lydia and Jackie, are working on your car. Lydia can complete the work in 2 hours, while Jackie can complete the work in 1 hour. How many hours do the car washers take if they work together?

3 years ago
OpenStudy (anonymous):

I think it will be 3/2. Here are the choices:1/2,3/2,2/3,4/3

3 years ago
OpenStudy (anonymous):

Anyone with an answer.

3 years ago
OpenStudy (mokeira):

i found 3/2 also

3 years ago
OpenStudy (anonymous):

thanks

3 years ago
OpenStudy (anonymous):

bye

3 years ago