Mathematics, 30.01.2020 21:51 nataluarenhg6924
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?
the choices are:
- 1/2
- 3/2
- 2/3
- 4/3
Answers: 1
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Two beauticians, lydia and jackie, are working on your hair. lydia can complete the work in 2 hours,...
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