Mathematics, 15.01.2021 01:00 pacangel
Mia and Holly can clean their room in 20 min, working together. Mia, working alone, can do the job in 30 min. How many minutes will it take Holly to
clean their room, working alone?
A 30
B. 60
C. 50
D. 80
Answers: 3
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Mia and Holly can clean their room in 20 min, working together. Mia, working alone, can do the job i...
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