Sally and Kim working together can complete a typing job in 2
hours. Sally working alone can d...
Mathematics, 10.03.2020 03:15, keaton191
Sally and Kim working together can complete a typing job in 2
hours. Sally working alone can do the job in 3 hours less than Kim
working alone. How long does it take Kim to do the job alone.
Select one:
a. 6 hours
b. 4 hours
c. 3 hours
d. 5 hours
Answers: 2
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