A mathematics textbook editor spent 7.5 hr making telephone calls, writing e-mails, and
Chapter 2, Problem 32(choose chapter or problem)
A mathematics textbook editor spent 7.5 hr making telephone calls, writing e-mails, and attending meetings. She spent twice as much time attending meetings as making telephone calls and 0.5 hr longer writing e-mails than making telephone calls. How many hours did she spend on each task?
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