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Mathematics

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Sue and Deb work together writing a book that takes them 90 days. If Sue worked alone, it would take her 120 days. How long would it take Deb to write the book alone?

Answer :

rambowfab rambowfab

Today at 1:57 PM

Answer:

360

Step-by-step explanation:

1/a+1/b=1/t

1/x + 1/120 = 1/90

subtract 1/120 from 1/90

1/x = 1/360

multiply by 1

x=360

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