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If they work together, Mark and Yvonne can sort 50 library books in 1.5 hours. Working alone, it would take Yvonne 5 hours to do the same job. How long would it take Mark if he worked alone? Express your
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If they work together, Mark and Yvonne can sort 50 library books in 1.5 hours. Working alone, it would take

Yvonne 5 hours to do the same job. How long would it take Mark if he worked alone? Express your answer in
hours and minutes.
veres
e out of

User Ali Asgher Badshah
by
5.1k points

1 Answer

5 votes

Answer:

B

Explanation:

User Amarnath
by
5.8k points
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