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Working together, Mrs. Melone and Mrs. Harris can comlplete lesson plans in 5.14 hours. Had she done it lone it would have taken Mrs. Harris 9 hours. Find out how long it would take Mrs. Melone to do it alone.

User Muffs
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15 votes

Answer:

if it's multiple it will take her 46.26

User Naymesh Mistry
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